Thirty New Records of Marine Benthic Foraminifera from Korean Waters

Home , Fissurina (foram), Lagenida, Miliolida, Monothalamea

Journal of Species Research 6(Special Edition):75-93, 2017

Thirty new records of marine benthic Foraminifera from Korean waters

Somin Lee1, Fabrizio Frontalini2 and Wonchoel Lee1,*

1Department of Life Science, College of Natural Sciences, Hanyang University, Seoul 04763, Republic of Korea 2Università degli Studi di Urbino Carlo Bo, Dipartimento di Scienze Pure e Applicate (DiSPeA), Campus Scientifico Enrico Mattei, Località Crocicchia, Urbino, Italy

*Correspondent: [email protected]

As a part of a survey of indigenous biological resources of Korea, 30 marine benthic foraminiferal species belonging to 24 genera and seven orders (Astrorhizida, Lagenida, Lituolida, Miliolida, Robertinida, Rotaliida and Textulariida) were identified. Bottom sediment samples were collected from eight stations on the west and east coast of South Korea, in April 2015 and May 2016, respectively. Ten species belonging to nine genera and five orders (Lagenida, Lituolida, Robertinida, Rotaliida, Textulariida) were identified in the Yellow Sea. Among these taxa, Rotaliida was the dominant order, represented by four species: Evolvocassidulina tenuis (Phleger & Parker, 1951), Cibicides mabahethi Said, 1949, Cibicides pseudolabatulus Perelis & Reiss, 1975 and Cibicidoides barnetti Bermudez, 1949. Twenty species belonging to 15 genera and five orders (Astrorhizida, Lagenida, Lituolida, Miliolida, and Rotaliida) were identified from the East Sea and the Lagenida was the dominant order, represented by 11 species: Lagena strumosa Reuss, 1858, Lagena nebulosa (Cushman, 1923), Lagena striata var. semiornata Reuss, 1863, Procerolagena cylindrocostata Albani & Yassini, 1989, Fissurina bispinata Ujiié, 1963, Oolina laevigata d’Orbigny, 1839, Polymorphina amplissima McCulloch, 1977, Polymorphina subelliptica McCulloch, 1977, Guttulina succincta McCulloch, 1977, Guttulina neoproblema McCulloch, 1977 and Lagenosolenia obtecta McCulloch, 1977. The findings described here increased the number of foraminiferal species in Korea to approximately 1060, and contribute to our understanding of the diversity of foraminifera in Korean waters. Keywords: Benthic foraminifera, East Sea, Korean waters, protists, Yellow Sea

Introduction (2007) also pointed out that more than 2,000 extant benthic foraminiferal species have been recorded and Foraminifera are single-celled eukaryotes that are worldwide diversity is estimated to be 3,000-4,000 spe- commonly observed in marine environments (Murray, cies. Currently, from 818 (Kim et al., 2016) to 1036 2006). Foraminifera often have reticular pseudopodia (National Institute of Biological Resources (NIBR), and produce a test (shell) consisted of CaCO3 or other 2012) foraminiferal species have been recorded in Ko- particles such as mineral grains. These shells can be fos- rea. Studies that evaluate the species diversity of benthic silized and preserved in the geological record, and Fora- foraminifera in Korea are, however, inadequate and the minifera have traditionally been primarily used in a va- NIBR species record needs to be updated (with regard riety of geological and paleontological studies; however, to synonyms, systematics, etc.). In addition, many areas current Foraminifera research extends into multiple dis- in Korea, such as the mid-to northern East Sea, have not ciplines such as population biology and ecology (Kim et been thoroughly investigated (Kim et al., 2016). Thus, al., 2016; Hayward et al., 2017). it is likely that future research in Korea will discover The phylum Foraminifera includes 8,900 to 10,000 many more unrecorded or new species. In the present species that have been reported worldwide (Sen Gupta, study, 30 new records of benthic Foraminifera species 2003; Debenay, 2013; Hayward et al., 2017). Murray from the east and west coast of Korea are reported. 76 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

Materials and Methods Table 1. Information on the sampling stations Station Latitude (°N) Longitude (°E) Depth (m) Sampling of marine bottom sediment was conducted 30905 35°51ʹ3.89ʺ 125°24ʹ32.39ʺ 68 in April 2015 in the Yellow Sea and in May 2016 in the 31005 35°19ʹ59.579ʺ 125°24ʹ22.439ʺ 76 East sea of Korea from four stations per region, by using 31105 34°42ʹ53.4ʺ 125°24ʹ33.48ʺ 74 a Van Veen grab. (Table 1, Fig. 1) Sediments were stored 31205 34°02ʹ38.52ʺ 125°29ʹ52.5ʺ 78 in 250 mL bottles and treated with an ethanol-Rose E1 38°24ʹ29.004ʺ 128°30ʹ21.88ʺ 36 Bengal solution to distinguish between living and dead E3 38°04ʹ50.187ʺ 128°42ʹ32.872ʺ 50 E4 37°55ʹ4.816ʺ 128°51ʹ11.786ʺ 33 foraminiferal specimens. Samples were gently washed E8 37°23ʹ55.665ʺ 129°14ʹ57.671ʺ 54 through a 63 μm mesh net with tap water to remove clay, silt and any remaining dye. Obtained fractions were dried at 40℃ in a dry oven for one week. Dried samples were qualitatively analyzed using a dissecting micro- scope (Olympus SZ40) and selected specimens were observed with Scanning Electron Microscopy (SEM, Hitachi S-3400N). Taxonomic identification, systematic classification and a distribution survey were carried out using the following references: Ellis & Messina (1940), McCulloch (1977; 1981), Loeblich & Tappan (1987), Ci- merman & Langer (1991), Hottinger et al. (1993), Jones (1994), Debenay (2013), Holbourn et al. (2013), Hay- ward et al. (2017) and WoRMS (2017). All specimens examined in this study were deposited in the NIBR (Na- tional Institute of Biological Resources).

Result and Discussion

A total of 30 marine benthic Foraminifera species belonging to 24 genera and seven orders (Astrorhizida, La- genida, Lituolida, Miliolida, Robertinida, Rotaliida, and Textulariida) was identified. Ten new records of species belonging to nine genera and five orders (Lagenida, Li- tuolida, Robertinida, Rotaliida, Textulariida) were iden- Fig. 1. Locations of eight sampling stations in the East and West tified in the Yellow Sea. Twenty new records of species coast of South Korea. This map is cited from Google Earth Pro. belonging to 15 genera and five orders (Astrorhizida, Lagenida, Lituolida, Miliolida, and Rotaliida) were identified in the East Sea (Table 2). Material examined. Korea, East Sea, station E4 (37°55ʹ 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR Systematics ID: NIBRPR0000107238. Diagnosis. Wall finely agglutinated and brownish in col- Phylum Foraminifera d’Orbigny 1826 or. Test free, elongated, and bifurcating. Early chamber Class Monothalamea Haeckel, 1862 rounded then repeatedly bifurcating tubular portion of Order Astrorhizida Lankester, 1885 constant diameter. Aperture multiple at the end of tubu- Superfamily Astrorhizoidea Brady, 1881 lar branches. Family Dendrophryidae Haeckel, 1894 Remarks. This is the first report of this species in Ko- Genus Psammatodendron Norman, 1881 rea. Psammatodendron arborescens is the type species of the genus Psammatodendron Norman, 1881. There 1. Psammatodendron‌ arborescens Norman, 1881 are only two extant species in this genus: P. arborescens (Plate 1. 1a-f) Norman, 1881 and P. indivisum Heron-Allen & Ear- Psammatodendron arborescens Norman, 1881 in Brady, land, 1932. The brown colored branched chamber is the 1881, p. 404 (cited from Hayward et al., 2017). typical character of P. arborescens. Psammatodendron December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 77 E4 E4 E8 E8 E8 E4 E4 E4 E1 E3 E4 E4 E4 E3 E8 E4 E8 E8 E8 E4 31105 31205 31205 31205 31205 31205 30905 30905 31205 31005 Station Region East Sea Yellow Sea Yellow

Norman, 1881 Albani & Yassini, 1989 Yassini, Albani & Reuss, 1863 Brönniman, 1979 (Parker & Jones, 1865) Cushman, 1910 (McCulloch, 1977) McCulloch, 1977 Perelis & Reiss, 1975 McCulloch, 1977 McCulloch, 1981 (Brady, 1881) (Brady, (Phleger & Parker, 1951) (Phleger & Parker, Brady, 1878 Brady, McCulloch, 1977 Brady, 1884 Brady, McCulloch, 1977 Parr, 1950 Parr, (Bermudez, 1949) Said, 1949 Cushman & Hughes, 1925 McCulloch, 1977 semiornata Ujiié, 1963 (Williamson, 1858) (Williamson, tenuis biformis madeirae

Reuss, 1858 (Goës, 1896) (Cushman, 1923) d’Orbigny, 1839 d’Orbigny, cylindricus Zheng & Fu, 2001 cylindrocostata

obtecta (d’Orbigny, 1846) (d’Orbigny, amplissima subelliptica friabilis

var. var.

lucidiformis barnetti

limbata tasmanica

claricerviculata pusilla neoproblema succincta bispinata

mabahethi pseudolabatulus dentaliniformis

fusiformis

nebulosa strumosa striata sinensis laevigata

inornata

Lagena Lagena Lenticulina Polymorphina Polymorphina Cassidulina Procerolagena Lagena Cerebrina Cibicidoides Cibicides Cibicides Nodulina Ammobaculites Spiroplectammina Guttulina Nouria Hoeglundina Evolvocassidulina Species Hyperammina Hyperammina elongata Psammatodendron arborescens Psammatodendron Pyrgo Guttulina Eggerella Paratrochammina Reophax Fissurina Oolina Lagenosolenia Brönnimann, 1979 Norman, 1881 Eade, 1967 Cushman, 1927 Cushman, 1910 McCulloch, 1977 Puri, 1954 d’Orbigny, 1826 d’Orbigny, Brady, 1878 Brady, Brotzen, 1948 Thalmann, 1939 d’Orbigny, 1826 d’Orbigny, Lamarck, 1804 Patterson, 1986 Cushman, 1933 d’Orbigny, 1839 d’Orbigny, Reuss, 1850 Montfort, 1808 Rhumbler, 1895 Rhumbler, Montfort, 1808 Walker & Boys, 1798 Walker Heron-Allen & Earland, 1914 d’Orbigny, 1839 d’Orbigny, Defrance, 1824 Lagena Lenticulina Cibicides Guttulina Cassidulina Polymorphina Procerolagena Cibicidoides Cerebrina Nodulina Ammobaculites Spiroplectammina Nouria Paratrochammina Hoeglundina Evolvocassidulina Genus Psammatodendron Hyperammina Pyrgo Eggerella Reophax Fissurina Oolina Lagenosolenia Lagenidae Vaginulinidae Cassidulinidae Polymorphinidae Cibicididae Lagenidae Reophacidae Lituolidae Spiroplectamminidae Trochamminidae Epistominidae Cassidulinidae Nouriidae Family Dendrophryidae Hyperamminidae Hauerinidae Eggerellidae Reophacidae Ellipsolagenidae Nodosarioidea Serioidea Polymorphinoidea Planorbulinoidea Nodosarioidea Hormosinoidea Lituoloidea Spiroplectamminoidea Trochamminoidea Ceratobuliminoidea Serioidea Superfamly Astrorhizoidea Hippocrepinoidea Milioloidea Eggerelloidea Hormosinoidea Summary of unrecorded species from the East Sea and the Yellow Sea. Yellow Summary of unrecorded species from the East Sea and Lagenida Rotaliida Lagenida Lituolida Robertinida Rotaliida Table 2. Table Order Astrorhizida Miliolida Textulariida Lituolida 78 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

1a 1b 1c 1d

50 μm 50 μm 1e 1f

2 3a

50 μm 4a

6a 4b 5a 5b

6b 4c

Plate 1. 1. (a-f) Psammatodendron arborescens Norman, 1881; 2. Hyperammina elongata Brady, 1878; 3. (a, b) Hyperammina friabilis Brady, 1884; 4. (a-c) Pyrgo inornata (d’Orbigny, 1846); 5. (a, b) Reophax fusiformis (Williamson, 1858); 6. (a, b) Nodulina dentaliniformis (Brady, 1881). Scale bar=100 μm unless indicated otherwise. December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 79 indivisum has a long, unbranching, narrow tubular cavity has a well-marked preceding chamber, while H. chamber connected to a depressed circular primodal elongata has a uniform and thin wall, and the cavity chamber, unlike the branched one in P. arborescens. is slightly widened at the inferior end. Hyperammina Distribution. Korea, Arctic Ocean, North Atlantic friabilis is commonly grey rather than brown in color. Ocean. Distribution. Korea, China, Japan, New Caledonia, New Zealand, Gulf of Mexico, United States, Mediter- Superfamily Hippocrepinoidea Rhumbler, 1895 ranean Sea, Norway. Family Hyperamminidae Eimer & Fickert, 1899 Genus Hyperammina Brady, 1878 Class Tubothalamea Pawlowski, Holzmann & Tyszka, 2013 2. Hyperammina elongata Brady, 1878 (Plate 1. 2) Order Miliolida Delage & Hérouard, 1896 Hyperammina elongata Brady, 1878, p. 434, pl. 20, figs. Superfamily Milioloidea Ehrenberg, 1839 2a-b (cited from Ellis & Messina, 1940). Family Hauerinidae Schwager, 1876 Genus Pyrgo Defrance, 1824 Material examined. Korea, East Sea, station E4 (37°55ʹ 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen 4. Pyrgo inornata (d’Orbigny, 1846) (Plate 1. 4a-c) Grab, collected by Raehyuk Jeong and Jisu Yeom, NIBR Biloculina inornata d’Orbigny, 1846, p. 266, pl. 16, figs. ID: NIBRPR0000107236. 7-9 (cited from Ellis & Messina, 1940). Diagnosis. Test composed of a large proloculus and an Biloculina anomala Schlumberger, 1891, p. 569, pl. 11, undivided tubular chamber of constant diameter, elon- figs. 84-86, pl. 12, fig. 101 (cited from Hayward et al., gated, curved in the middle portion. Wall agglutinated 1999); Cushman, 1917, p. 79, pl. 32, fig. 1; Cushman, with fine to middle size quartz. Initial end rounded, ap- 1921, p. 474, pl. 96, figs. 1a-c. erture terminal opened. Nummulopyrgo anomala (Schlumberger, 1891): Loe- Remarks. According to Loeblich & Tappan (1987), this blich & Tappan, 1994, p. 42, pl. 91, figs. 4-10. species is the type species of the genus Hyperammina Pyrgo anomala (Schlumberger, 1891): Hayward et al., Brady, 1878. There are 32 modern species in this genus, 1999, p. 97, pl. 4, figs. 1-2. and only one species was reported in Korea, H. rugosa Pyrgo inornata (d’Orbigny, 1846): Debenay, 2013, pp. Verdenius & van Hinte, 1983. Hyperammina elongata 117, 276. has a finer agglutinated test and clearer proloculus than H. rugosa. Hyperammina rugosa has a very rough and Material examined. Korea, East Sea, station E3 (37°55ʹ coarsely agglutinated test wall, and specimens with a 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen preserved proloculus are very rare. Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR Distribution. Korea, China, Japan, United States, Cana- ID: NIBRPR0000107246. da, Gulf of Saint Lawrence, Gulf of Mexico, Bay of Bis- Diagnosis. Wall calcareous, porcelaneous. Test ovate, cay (France), Celtic Sea, North Atlantic Ocean, Norway, inflated, chamber arrangement biloculine, involute at Arctic Ocean, Southern Ocean. later portion. Suture depressed. Aperture terminal, wide, with a broad tooth. 3. Hyperammina friabilis Brady, 1884 (Plate 1. 3a-b) Remarks. Biloculine and strongly biconvex test and Hyperammina friabilis Brady, 1884, p. 258, Pl. XXIII, an oval shaped aperture with broad, rounded tooth are figs. 1-3, 5-6. the typical features of P. inornata. Our specimen had a slightly more elongated test than specimens reported Material examined. Korea, East Sea, station E4 (37°55ʹ from New Caledonia (Debenay, 2013) and Jeju island 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen (Kim et al., 2016), but mostly resembles the specimen Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR reported by Cushman in 1921 from the Philippines and ID: NIBRPR0000107239. the type specimen reported from Austria (Ellis & Messi- Diagnosis. Test composed of a large proloculus and an na, 1940). undivided tubular chamber of constant diameter, elon- Distribution. Korea, China, Japan, New Caledonia, gated, curved in the middle portion. Wall agglutinated New Zealand, Sahul Shelf, Gulf of Mexico, North At- with medium-sized quartz particles, grey in color. Test lantic Ocean, Bay of Biscay (France), Mediterranean free, elongated, and straight. Aperture terminal. Sea. Remarks. According to the original description in Ellis & Messina (1940), H. friabilis is larger and the outline is Class Globothalamea Pawlowski, Holzmann & commonly broader and stouter than those of H. elongata. Tyszka, 2013 The wall of H. friabilis is conspicuously thick and the Order Lituolida Lankester, 1885 80 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

Superfamily Hormosinoidea Haeckel, 1894 Material examined. Korea, East Sea, station E4 (37°55ʹ Family Reophacidae Cushman, 1927 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen Genus Reophax de Montfort, 1808 Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR ID: NIBRPR0000107237. 5. Reophax‌ fusiformis (Williamson, 1858) Diagnosis. Test free, elongated, uniserial, and somewhat (Plate 1. 5a-b) curved. Chambers regularly increasing in size as added. Proteonina fusiformis Williamson, 1858, p. 1, pl. 1, fig. Horizontal sutures. Wall agglutinated with medium to 1 (cited from, Höglund, 1947); Cushman, 1910, p. 41, coarse sediment particles. Aperture terminal and round- fig. 39; Höglund, 1947, p. 52, pl. 4, fig. 21, p. 56, figs. ed at the end of short and cylindrical neck. 20-21. Remarks. This species is the type species of genus Reophax fusiformis (Williamson, 1858): Jones, 1994, p. Nodulina Rhumbler, 1895, and the only species included 37, pl. 30, figs. 7-10; Yassini & Jones, 1995, p. 67, fig. in this genus. According to Loeblich & Tappan (1987), 17; Debenay, 2013, pp. 90, 255. the test of this species is similar to that of Reophax species, but Nodulina has more regular, gradually enlarging Material examined. Korea: Yellow Sea, station 30905 chambers, horizontal sutures and a straighter axis than (35°51ʹ3.89ʺN, 125°24ʹ32.39ʺE), 8 Apr 2015, by Van Reophax. Veen Grab, collected by Sangjin Kim. NIBR ID: NIBR Distribution. Korea, China, Japan, New Caledonia, PR0000107222. Canada, United States, Bay of Biscay (France), Celtic Diagnosis. Test fusiform, tapering toward both ends, Sea, Norway. and multichambered. Chambers rounded to pyriform. Wall agglutinated with heterogeneous sediment grains. Superfamily Lituoloidea de Blainville, 1827 Aperture terminal and circular produced on a short neck. Family Lituolidae Blainville, 1827 Remarks. According to Ellis & Messina Catalogue of Genus Ammobaculites Cushman, 1910 Foraminifera (1940), this species was originally classified as Proteonina fusiformis Williamson, 1858, and 7. Ammobaculites‌ cylindricus Cushman, 1910 later Loeblich & Tappan transferred it to R. fusiformis in (Plate 2. 1a-c) 1955 (Ellis & Messina, 1940). This species can be mis- Ammobaculites cylindricus Cushman, 1910, pl. 441, identified with the genus Lagenammina Rhumbler, 1911 figs. 15-16 (cited from Jones, 1994). because of its variable chamber compartment. How- ever, the genus Reophax is multichambered, whereas Material examined. Korea, East Sea, station E1 (38°24ʹ Lagenammina is unilocular. 29.004ʺN, 128°30ʹ21.88ʺE), 19 May 2016, by Van Veen Distribution. Korea, China, Japan, New Caledonia, Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR New Zealand, United States, Canada, Gulf of Mexico, ID: NIBRPR0000107249. Gulf of Saint Lawrence, North Atlantic Ocean, Norway, Diagnosis. Test free, large, elongated, cylindrical and English Channel, Irish Sea and St. George’s Channel, uniserial with a planispiral early portion. Wall coarsely Bay of Biscay (France), Celtic Sea, Mediterranean Sea. agglutinated. Suture depressed but not distinct due to agglutinated particles. Aperture rounded and terminal. Genus Nodulina Rhumbler, 1895 Remarks. This specimen is similar to A. cylindricus (Jones, 1994, plate 33 fig. 6) in having the long, straight 6. Nodulina‌ dentaliniformis (Brady, 1881) cylindrical outline of test. According to Cushman (Plate 1. 6a-b) (1921), this species differs from the ordinary form of A. Lituola (Reophax) dentaliniformis Brady, 1881, p. 49 calcareus by having a cylindrical shape, and differs (cited from Debenay, 2013). from A. agglutinans (d’Orbigny, 1846) in the greater Reophax dentaliniformis Brady, 1881: Brady, 1884, p. proportion of involute coiling portion. 193, pl. 30, figs. 21-22 (cited from Cushman, 1910); Distribution. Korea, Philippines, North Atlantic Ocean. Cushman, 1910, p. 87, fig. 121; Cushman, 1920, p. 18, pl. 5, figs. 4-5; Cushman, 1921, p. 68, pl. 12, fig. 4; Höglund, 1947, pp. 88, 89, fig. 54, pl. 9, fig. 13; De- Superfamily Spiroplectamminoidea Cushman, 1927 benay, 2013, pp. 90, 255. Family Spiroplectamminidae Cushman, 1927 Hormosina dentaliniformis (Brady, 1881): Brönnimann Genus Spiroplectammina Cushman, 1927 & Whittaker, p. 265, figs. 8-11 (cited from Debenay, 2013). 8. Spiroplectammina‌ biformis (Parker & Jones, 1865) Nodulina dentaliniformis (Brady, 1881): Loeblich & (Plate 2. 2a-c) Tappan, 1987, p. 58, pl. 44, figs. 10-11. Textularia agglutinans var. biformis Parker & Jones, December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 81

1a 1b 2a 2b 2c

1c 25 μm 5b

3b 4 5a 1 mm

50 μm

6a 6b 6c

7a 7b 7c

Plate 2. 1. (a-c) Ammobaculites cylindricus Cushman, 1910; 2. (a-c) Spiroplectammina biformis (Parker & Jones, 1865); 3. (a, b) Nouria sinensis Zheng & Fu, 2001; 4. Paratrochammina madeirae Brönniman, 1979; 5. (a, b) Eggerella pusilla (Goës, 1896); 6. (a-c) Hoeglundina lucidiformis McCulloch, 1981; 7. (a-c) Cassidulina limbata Cushman & Hughes, 1925. Scale bar=100 μm unless indicated otherwise. 82 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

1865, p. 370, pl. 15, figs. 23-24 (cited from Ellis & width near the middle part, and a slit-like aperture with Messina, 1940). finely agglutinated compressed lip. Our specimen has Spiroplecta biformis (Parker & Jones, 1865): Brady, 1884, slightly more inflated test than the type specimen. p. 376, pl. 45, figs. 25-27 (cited from Debenay, 2013). Distribution. Korea, East China Sea, China. Spiroplectammina biformis (Parker & Jones, 1865): Jones, 1994, p. 50, pl. 45, figs. 25-27; Debenay, 2013, p. 95, Superfamily Trochamminoidea Schwager, 1877 257. Family Trochamminidae Schwager, 1877 Genus Paratrochammina Brönniman, 1979 Material examined. Korea, East Sea, station E3 (38°04ʹ 50.187ʺN, 128°42ʹ32.872ʺE), 20 May 2016, by Van 10. Paratrochammina‌ madeirae Brönniman, 1979 Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. (Plate 2. 4) NIBR ID: NIBRPR0000107242. Paratrochammina madeirae Brönniman, 1979, p. 7, pl. Diagnosis. Test free, elongate and narrow. Chamber 7, figs. a-c, f, h, pl. 10, figs. b, e (cited from Hottinger arrangement planispiral in early portion, later biserial. et al., 1993). Wall coarsely agglutinated, with smoothly finished surface, brownish in color, test small, flat and elongated. Material examined. Korea, Yellow Sea, station 31005 Aperture a low interiomarginal arch at the base of last (35°19ʹ59.579ʺN, 125°24ʹ22.439ʺE), 9 April 2015, by chamber. Van Veen Grab, collected by Sangjin Kim. NIBR ID: Remarks. This species was originally classified as a va- NIBRPR0000107226. riety of Textularia agglutinans d’Orbigny (Ellis & Mes- Diagnosis. Test free, rounded, with slightly lobate pe- sina, 1940). Planispiral chamber coiling in early stage ripheral margin. Chamber arrangement low trochospiral, and biserial arrangement in later stage are the most typ- chamber size rapidly increased as added. Wall aggluti- ical characteristics of the genus Spiroplectammina. Cur- nated with coarse materials. Final chamber accounts for rently 18 extant species are in the genus. In Korea, there about one-third of total test surface area. Aperture a low are four recorded species. interiomarginal arch. Distribution. Korea, China, Japan, South Pacific Ocean, Remarks. This is the first report of the genus Paratro- New Zealand, New Caledonia, United States, Bay of chammina in Korea. There are 27 extant species record- Fundy, Canada, Gulf of Saint Lawrence, Vineyard ed. In Loeblich & Tappan (1987), Paratrochammina Sound, North Atlantic Ocean, Baltic Sea, Norway, Celt- madeirae Brönniman, 1979 is the type species of the ic Sea, English Channel, Scotian Shelf, Southern Ocean, genus Paratrochammina. Paratrochammina differs from North Western Weddell Sea, King George Island. Trochammina Parker & Jones, 1859 in having an umbilical-extraumbilical aperture rather than a basal aperture Family Nouriidae Chapman & Parr, 1936 midway between the umbilicus and periphery. Genus Nouria Heron-Allen & Earland, 1914 Distribution. Korea, Gulf of California, Gulf of Aqaba, Mediterranean Sea - Eastern Basin. 9. Nouria sinensis Zheng & Fu, 2001 (Plate 2. 3a-b) Nouria sinensis Zheng & Fu, 2001, pp. 414, 415 (Chi- Order Textulariida Delage & Hérouard, 1896 nese), 700 (English), pl. 59, figs. 8a-c (cited from Ellis Superfamily Eggerelloidea Cushman, 1937 & Messina, 1940). Family Eggerellidae Cushman, 1937 Genus Eggerella Cushman, 1933 Material examined. Korea, East Sea, station E4 (37°55ʹ 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen 11. Eggerella pusilla (Goës, 1896) (Plate 2. 5a-b) Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR Verneuilina pusilla Goës, 1896, p. 39, pl. 5, figs. 6-8 ID: NIBRPR0000107225. (cited from Ellis & Messina, 1940). Diagnosis. Test free, elongated, and oval in section. Eggerella pusilla (Goës, 1896): Cushman & McCulloch, Chambers in polymorphine arrangement then biserial, 1939, p. 96, pl. 10, figs. 2-3; Debenay, 2013, pp. 81, hard to distinguish, suture barely visible. Wall very thin 261. but agglutinated with coarse grains. Aperture produced at terminal, consisted by fine particles, and long-slit like Material examined. Korea, Yellow Sea, station 30905 with slight lip. (35°51ʹ3.89ʺN, 125°24ʹ32.39ʺE), April 2015, collected Remarks. According to the original description, this by Sangjin Kim. NIBR ID: NIBRPR0000107233. species was first reported from the northern East China Diagnosis. Test subconical, slightly tapering toward ini- Sea, China (Ellis & Messina, 1940). Prominent features tial end, trochospiral in early stage, and later triserial. of this species are elongated narrow test with greatest Wall finely agglutinated. Chambers inflated, sutures dis- December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 83 tinguishable. Aperture a low slit bordered by a narrow BRPR0000107248. lip. Diagnosis. Test nearly circular to lenticular in side view Remarks. The cylindrical outline and the chamber ar- with slightly projecting final chamber. Peripheral margin rangement are trochospiral in the initial part and triseri- carinate and slight lobulate. Chambers distinct, biserial in the later part. The aperture on the internal margin ally arranged and clear umbonal boss in the center. Su- of last chamber is the typical feature of this species. tures distinct, curved, weakly limbate. Wall calcareous, There are nine extant species in the genus Eggerella in- hyaline, and perforate. Aperture close to inner margin of ternationally, and two species are reported in Korea: E. the final chamber, narrow elongate, parallel to periphery. australis Collins, 1958, and E. bradyi (Cushman, 1911). Remark. This specimen is superficially similar to C. Distribution. Korea, China, Japan, New Caledonia. translucens Cushman & Hughes, 1925, but the umbilical boss, carinate width, and the last chamber shape are Order Robertinida Loeblich & Tappan, 1984 different. There are 76 extant Cassidulina species worl- Superfamily Ceratobuliminoidea Cushman, 1927 dide reported, and ten species have been reported from Family Epistominidae Wedekind, 1937 Korea. Genus Hoeglundina Brotzen, 1948 Distribution. Korea, California.

12. Hoeglundina‌ lucidiformis McCulloch, 1981 Genus Evolvocassidulina Eade, 1967 (Plate 2. 6a-c) Hoeglundina lucidiformis McCulloch, 1981, p. 183, pl. 14. Evolvocassidulina‌ tenuis (Phleger & Parker, 1951) 57, fig. 9. (Plate 3. 1a-e) Cassidulinoides tenuis Phleger & Parker, 1951, p. 27, pl. Material examined. Korea, Yellow Sea, station 31205 14, figs. 14-17 (cited from Ellis and Messina, 1940); (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 Apr 2015, by Van Jones, 1994, p. 57, pl. 52, figs. 7-8. Veen Grab, collected by Sangjin Kim. NIBR ID: NI- Evolvocassidulina tenuis (Phleger & Parker, 1951): Eade, BRPR0000107221. 1967, p. 433, fig. 3, Nos., 3, 4. Diagnosis. Test trochospiral, biconvex. Umbilical side more convex than spiral side. Suture radial, not de- Material examined. Korea, Yellow Sea, station 31205 pressed, but curved backward on spiral side. Wall cal- (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 April 2015, by Van careous, perforated, surface smooth. Aperture a long slit- Veen Grab, collected by Sangjin Kim. NIBR ID: NIBR like opening along peripheral margin on umbilical side. PR0000107229. Remarks. Hoeglundina lucidiformis was first reported Diagnosis. Test free, elongate, round in section, early from the Atlantic Ocean by McCulloch (1981). Accord- portion coiled and lenticular then biserial, and slightly ing to the original description, this species is similar curved. Chambers distinct and increasing in size quite to Hoeglundina mesolucida McCulloch, 1981 but H. rapidly as added. Sutures distinctly depressed. Wall cal- lucidiformis is more compressed, with a more translu- careous, hyaline, and finely perforate. Aperture terminal, cent test without elaborate patterns on the surface like H. elongated loop extending from base of last chamber. elegans (d’Orbigny, 1826), or H. mesolucida McCull- Remarks. This species is the first report of the genus och, 1981. Also, the sutures on the spiral (evolute) side Evolvocassidulina in Korea. There are six extant species of H. lucidiformis are more curved backward. in the genus, and the representative features are enrolled Distribution. Korea, Atlantic Ocean. early stage like Cassidulina, and biserial chamber arrangement in later stages. Order Rotaliida Delage & Hérouard, 1896 Distribution. Korea, Japan, New Zealand, Gulf of Mex- Superfamily Cassidulinoidea d’Orbigny, 1839 ico, Bay of Biscay. Family Cassidulininae d’Orbigny, 1839 Genus Cassidulina d’Orbigny, 1826 Superfamily Planorbulinoidea Schwager, 1877 Family Cibicididae Cushman, 1927 13. Cassidulina‌ limbata Cushman & Hughes, 1925 Genus Cibicidoides Thalmann, 1939 (Plate 2. 7a-c) Cassidulina limbata Cushman & Hughes, 1925, p. 12, 15. Cibicidoides‌ barnetti Bermudez, 1949 pl. 2, fig. 2a-c (cited from Ellis & Messina, 1940). (Plate 3. 2a-b) Cibicidoides barnetti Bermudez, 1949, p. 296, pl. 24, Material examined. Korea, East Sea, station E8 (37°23ʹ figs. 7-9 (cited from Ellis & Messina, 1940). 55.665ʺN, 129°14ʹ57.671ʺE), 21 May 2016, Van Veen Grab, by Raehyuk Jeong and Jisu Yeom. NIBR ID: NI- Material examined. Korea, Yellow Sea, station 31205 84 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

1a 1b 1c

1e 2a 2b

20 μm

3a 3b

4a 4b 4c

Plate 3. 1. (a-e) Evolvocassidulina tenuis (Phleger & Parker, 1951); 2. (a, b) Cibicidoides barnetti (Bermudez), 1949; 3. (a-c) Cibicides mabahethi Said, 1949; 4. (a-c) Cibicides pseudolabatulus Perelis & Reiss, 1975. Scale bar=100 μm unless indicated otherwise. December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 85

(34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 April 2015, by Van Diagnosis. Test rounded, trochospiral, planoconvex, and Veen Grab, collected by Sangjin Kim. NIBR ID: NIBR periphery carinate, lobulate in last few chambers. About PR0000107235. seven to eight chambers in final whorl, and final cham- Diagnosis. Test slight planoconvex to biconvex, sub-cir- ber inflated. Sutures curved at both sides, depressed, dis- cular, umbilical side more convex than spiral side. Spiral tinctly in last two chambers, and slightly in earlier por- side, over ten chambers in last whorl, increasing gradu- tion. Wall calcareous, perforate coarsely on spiral side, ally in size. Sutures curved in the spiral side and radial except sutural area. Aperture interiomarginal, with thick and slightly depressed in the umbilical side. Wall calcar- rim, extended along inner margin of last few chambers eous, coarsely perforate. Aperture a low interiomarginal on spiral side. to equatorial arch. Remarks. This species seems similar to Lobatula Remarks. This species resembles C. barnetti Bermu- lobatula, but L. lobatula has a more prominent lobular dez, 1949 as shown by Holbourn et al. (2013) but our peripheral outline on the spiral side and the chambers specimens have a smoother surface on the spiral side are more inflated and irregular. unlike the rough surface in the specimen described by Distribution. Korea, New Caledonia, Gulf of Aqaba. Holbourn et al. (2013). Distribution. Korea, South China Sea, Pacific Ocean, Class Foraminifera incertae sedis Gulf of Mexico, Barbados, Atlantic Ocean. Order Lagenida Delage & Hérouard, 1896 Superfamily Nodosarioidea Ehrenberg, 1838 Genus Cibicides de Montfort, 1808 Family Lagenidae Reuss, 1862 Genus Cerebrina Patterson, 1986 16. Cibicides mabahethi Said, 1949 (Plate 3. 3a-c) Cibicides mabahethi Said, 1949, p. 42, pl. 4, fig. 20 (cited 18. Cerebrina‌ claricerviculata (McCulloch, 1977) from Debenay, 2013); Hottinger et al., 1993, p. 115, (Plate 4. 1a-b) pl. 151, figs. 6-12; Debenay, 2013, pp. 190, 315. Lagenosolenia claricerviculata McCulloch, 1977, p. 55, pl. 63, fig. 9; Akimotoet al., 2002, p. 13, pl. 32, fig. 3 Material examined. Korea Yellow Sea, station 31205 Cerebrina cf. C. claricerviculata (McCulloch 1977): (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 April 2015, by Van Parker, 2009, p. 390, figs. 282a-c, 283a-j. Veen Grab, collected by Sangjin Kim. NIBR ID: NIBR Cerebrina claricerviculata (McCulloch, 1977): De- PR0000107228. benay, 2013, pp. 141, 288. Diagnosis. Umbilical side more convex than spiral side, involute with a raised umbo, spiral side coarsely per- Material examined. Korea, Yellow Sea, station 31105 forate on chamber area. Wall calcareous, test circular, (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 Apr 2015, by Van slight biconvex to planoconvex. Aperture low arch, inte- Veen Grab, collected by Sangjin Kim. NIBR ID: NIBR riomarginal, slightly extending to spiral side along inner PR0000107220. periphery of last few chambers. Diagnosis. Test free, small and ovate in outline. Dis- Remarks. Present specimen is very similar to the New tinctly raised trimarginate keel complex at periphery, Caledonia specimen reported by Debenay (2013), except central keel more extended, starting at the ends of aper- the Korean specimen had slightly less depressed sutures ture, and lateral keels staring from middle part of aper- on the involute side. According to WoRMS and the Na- tural edge. Wall calcareous hyaline, and perforate espe- tional List of Species of Korea (Protozoa) (NIBR, 2012), cially on inflated sides. Aperture terminal, fissure, with a there are about 70 extant species in the genus Cibicides, lip. and 13 species have been recognized in Korea. Remarks. Cerebrina claricerviculata was originally Distribution. Korea, New Caledonia, Mediterranean classified within the genus Lagenosolenia McCulloch, Sea, Gulf of Aqaba. 1977. There are eight extant species reported in the genus Cerebrina, internationally. This is the first record of 17. Cibicides‌ pseudolabatulus Perelis & Reiss, 1975 this genus in Korea. Our specimen is more similar to the (Plate 3. 4a-c) specimen reported from Japan by Akimoto et al. (2002) Cibicides pseudolabatulus Perelis & Reiss, 1975 (cited than the specimen reported from New Caledonia by De- from Hayward et al., 2017). benay (2013) in having slightly more broadly rounded basal end. Material examined. Korea, Yellow Sea, station 31205 Distribution. Korea, Japan, New Caledonia. (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 Apr 2015, by Van Veen Grab, collected by Sangjin Kim. NIBR ID: NI- Genus Lagena Walker & Boys, 1798 BRPR0000107227. 86 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

1a 1b 2a

3a 3b 20 μm 2c

40 μm 3c 10 μm 2d

4a 4b 5a 5b 40 μm

20 μm 40 μm 4c 5c

30 μm 30 μm

Plate 4. 1. (a, b) Cerebrina claricerviculata (McCulloch, 1977); 2. (a-d) Lagena nebulosa (Cushman, 1923); 3. (a-c) Lagena strumosa Reuss, 1858; 4. (a-c) Lagena striata var. semiornata Reuss, 1863; 5. (a-c) Procerolagena cylindrocostata Albani & Yassini, 1989. Scale bar=100 μm unless indicated otherwise. December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 87

19. Lagena‌ nebulosa (Cushman, 1923) (Plate 4. 2a-d) 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen Lagena laevis var. nebulosa Cushman, 1923, p. 29, pl. 5, Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR figs. 4-5. ID: NIBRPR0000107243. Lagena nebulosa (Cushman, 1923): Jones, 1994, p. 62, Diagnosis. Test unilocular, fusiform, with short basal pl. 56, fig. 12; Lei and Li, 2016, p. 158, fig. 13a-c. spine. Surface ornamented by distinct longitudinal striae about one-half in length of test. Basal portion of neck Material examined. Korea, East Sea, station E4 (37°55ʹ irregularly costate. Wall calcareous, hyaline, and perfo- 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen rate. Aperture terminal at the end of neck with a phialine Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR lip slightly costate. ID: NIBRPR0000107241. Remarks. Our specimen has a very unusual striae pat- Diagnosis. Test small, unilocular, elongate, slender, el- tern that continues from the bottom of the test to the liptical with broad, round basal end. Wall calcareous, middle part of the test and reappears throughout the hyaline, nearly translucent to opaque, and surface cov- neck. This specimen is different from the original de- ered with numerous, fine, granular ornamentations. Ap- scription in having additional striae on the neck, and erture terminal located at the end of neck. currently L. striata var. semiornata is regarded as a fos- Remarks. This species was originally classified as a va- sil species. This specimen is most closely related to L. riety of L. laevis by Cushman (1923), but later separated striata var. semiornata, however the specimen has to be into one independent species. The very fine and frosty reallocated to an extant species in the near future. ornamentations cover the test surface and are very un- Distribution. Korea, Germany. usual. This ornamentation seems quite similar to that of L. hispidula, but L. nebulosa has a much narrower, cy- Genus Procerolagena Puri, 1954 lindrical test than L. hispidula. Distribution. Korea, China, Japan, New Zealand, Gulf 22. Procerolagena‌ cylindrocostata Albani & Yassini, of Mexico, North Atlantic Ocean, Bay of Biscay, Sea of 1989 (Plate 4. 5a-c) Marmara, Arctic Ocean. Procerolagena cylindrocostata Albani & Yassini, 1989, p. 381, fig. 3D (cited from Debenay, 2013); Yassini & 20. Lagena‌ strumosa Reuss, 1858 (Plate 4. 3a-c) Jones, 1995, p. 108, figs. 289-291; Debenay, 2013, pp. Lagena strumosa Reuss, 1858, p. 434 (cited from De- 159, 289. benay, 2013); Debenay, 2013, p. 153, 289. Material examined. Korea, East Sea, station E4 (37°55ʹ Material examined. Korea, East Sea, station E4 (37°55ʹ 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR ID: NIBRPR0000107245. ID: NIBRPR0000107240. Diagnosis. Test unilocular, elongate, slender, surface Diagnosis. Test globular, with a neck ornamented by ornamented by longitudinal striae extending from bas- some raised annuli, and basal spine. Wall calcareous hy- al end to middle part of neck. Short striae, about one- aline, perforate, surface ornamented by longitudinal stri- half of test in length, present between long striae. Wall ae, which end near the beginning part of neck. Aperture calcareous, hyaline, and perforate. Tiny spine located at at the end of neck, with a phialine lip. bottom center. Aperture a simple opening at the end of a Remarks. This species looks quite similar to L. striata slender neck. in having a globular test with longitudinal costae, but Remarks. Our specimen has a slightly more inflated can be distinguished because L. striata has striae that test than the specimen described from New Caledonia continue along the neck while L. strumosa has several by Debenay (2013). This species and Lagena substriata horizontal costae on the neck. look similar as a whole, but the spaces between striae World distribution. Korea, Japan, Yellow Sea, New of P. cylindrocostata is wider, the length of some stri- Caledonia, New Zealand, Gulf of Aqaba, Sea of Marma- ae is shorter and the basal part is more rounded than ra. L. substriata. There are 21 extant species in the genus Procerolagena, but only one species has been reported 21. Lagena‌ striata var. semiornata Reuss, 1863 in Korea: Procerolagena amphora (Williamson, 1848). (Plate 4. 4a-c) Distribution. Korea, Australia, New Caledonia, Bass Lagena striata var. semiornata Reuss, 1863 p. 341, pl. 3, Strait. fig. 45 (cited from Ellis and Messina, 1940). Family Vaginulinidae Reuss, 1860 Material examined. Korea, East Sea, station E4 (37°55ʹ Genus Lenticulina Lamarck, 1804 88 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

23. Lenticulina tasmanica Parr, 1950 (Plate 5. 1) 78, figs. 1-3, 8-10, 14. Lenticulina tasmanica Parr, 1950, p. 321, pl. 13, figs.

3-4 (cited from Ellis & Messina, 1940). Material examined. Korea, East Sea, station E8 (37°23ʹ55.665ʺN, 129°14ʹ57.671ʺE), 21 May 2016, by Material examined. Korea, Yellow Sea, station 31205 Van Veen Grab, collected by Raehyuk Jeong and Jisu (34°2ʹ38.52ʺN, 125°29ʹ52.5ʺE), 11 Apr 2015, by Van Yeom. NIBR ID: NIBRPR0000107252. Veen Grab, collected by Sangjin Kim. NIBR ID: NI- Diagnosis. Test free, elongate, periphery lobate, and ini- BRPR0000107219. tial end accurately rounded. Chambers longer than wid- Diagnosis. Test round, compressed, planispiral involute, er, biserial arranged with an initial, extra chamber fol- lenticular in apertural side view. Periphery with slight lowed by later chambers overlapping on the raised half keel, not lobulated. Sutures not depressed. Wall calcare- of sigmoid form. Chambers of depressed half of each ous, hyaline, and smooth. Apertural side narrow and flat- biserial series more elongate. Sutures distinct, oblique, tened. Aperture radiate with a long slit on the apertural curved and depressed. Wall calcareous, hyaline, surface face. smooth and glossy. Aperture terminal, radiate, slightly Remarks. There are 97 extant species in the genus produced with compressed end. Lenticulina, and 17 species are reported from Korea. Remark. According to McCulloch (1977), the micro- The most typical feature of this genus is the lenticular spheric form of this species has an acutely rounded ini- test shape and the terminal radiate aperture. According tial end and an extra chamber in the initial part followed to the original description in Elis & Messina (1940) this by additional accurate shaped chambers in a position species differs from L. articulate or L. lucida by its large overlapping on the raised half. Our specimen seems to lobulated slit extending along the full length of the aper- be a microspheric form. The genus Polymorphina can tural side. be confused with the genus Guttulina, but in Guttulina, Distribution. Korea, New Zealand, New Caledonia. chambers are added spirally in five planes, whereas Polymorphina has a biserial chamber arrangement. Superfamily Polymorphinoidea Distribution. Korea, Eastern Pacific. Family Polymorphinidae d’Orbigny, 1839 Genus Polymorphina d’Orbigny, 1826 Genus Guttulina d’Orbigny, 1839

24. Polymorphina‌ amplissima McCulloch, 1977 26. Guttulina‌ neoproblema McCulloch, 1977 (Plate 5. 2a-b) (Plate 6. 1a-b) Guttulina neoproblema McCulloch, 1977, p. 184, pl. 76, Polymorphina amplissima McCulloch, 1977, p. 162, pl. figs. 1-5, 11. 78, figs. 4-7. Material examined. Korea, East Sea, station E8 (37°23ʹ

Material examined. Korea, East Sea, station E8 55.665ʺN, 129°14ʹ57.671ʺE), 21 May 2016, by Van (38°04ʹ50.187ʺN, 128°42ʹ32.872ʺE), 20 May 2016, by Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. Van Veen Grab, collected by Raehyuk Jeong and Jisu NIBR ID: NIBRPR0000107254. Yeom. NIBR ID: NIBRPR0000107251. Diagnosis. Test free, elongate, slightly triangular with Diagnosis. Test elongate, fusiform, with broadly round- rounded edges in apertural side view. Initial end acute- ed initial end, and rounded periphery. Chamber arrange- ly rounded, greatest width at near middle part of test. ment biserial, sutures distinct, oblique, and slightly Chambers 144° apart, broadly embracing previous ones. depressed. Wall calcareous, hyaline perforate, surface Sutures distinct, depressed. Wall calcareous, hyaline, smooth, translucent to nearly opaque. Aperture terminal, surface smooth. Aperture terminal, radiate, slightly pro- produced, radiate. duced in a broadly rounded way. Remark. According to WoRMS and National List of Remark. Guttulina neoproblema was originally de-

Species of Korea (2012), there are 79 extant species in scribed by McCulloch (1977) from the Eastern Pa- the genus Polymorphina, and four species are reported cific Ocean near the Gulf of California. This species from Korea. According to the original description of this seems similar to G. succincta McCulloch, 1977, but species, our specimen seems close to the megalospheric the increasing rate of chamber size is more rapid in G. form, which has a broadly rounded initial end. neoproblema, and the angle of the rotation axis to which chambers are added is larger in G. neoproblema. There 25. Polymorphina‌ subelliptica McCulloch, 1977 are 41 extant Guttulina species recorded internationally. (Plate 5. 3a-c) In Korea, 13 species are recorded. Polymorphina subelliptica McCulloch, 1977, p. 173, pl. Distribution. Korea, Gulf of California. December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 89

1 2a

3a 3b

4a 4b

Plate 5. 1. Lenticulina tasmanica Parr, 1950; 2. (a, b) Polymorphina amplissima McCulloch, 1977; 3. (a-c) Polymorphina subelliptica Mc- Culloch, 1977; 4. (a-c) Guttulina succincta McCulloch, 1977. Scale bar=100 μm unless indicated otherwise. 90 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

27. Guttulina‌ succincta McCulloch, 1977 29. Oolina laevigata d’Orbigny, 1839 (Plate 6. 3a-c) (Plate 5. 4a-c) Oolina laevigata d’Orbigny, 1839, p. 19, pl. 5, fig. 3 Guttulina succincta McCulloch, 1977, p. 185, pl. 75, (cited from Ellis & Messina, 1940). figs. 10, 12-20. Material examined. Korea, East Sea, station E8 (37°23ʹ Material examined. Korea, East Sea, station E8 (37°23ʹ 55.665ʺN, 129°14ʹ57.671ʺE), 21 May 2016, by Van 55.665ʺN, 129°14ʹ57.671ʺE), 21 May 2016, by Van Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR ID: NIBRPR0000107232. NIBR ID: NIBRPR0000107253. Diagnosis. Test small, unilocular, and nearly globu- Diagnosis. Test free, elongate, fusiform, initial end lar to ovate. Wall calcareous, hyaline, surface smooth somewhat acutely rounded, greatest width slightly be- and opaque. Aperture rounded, surrounded by radial low mid-point. Early stage chambers small, 144° apart, grooves. later much increased in size, ending near middle part of Remarks. According to Loeblich & Tappan (1987), O. test or extending to the basal part of test embracing pre- laevigata is the type species of the genus Oolina. Our vious chambers, laterally. Sutures distinct, depressed, specimen seems more similar to the specimen reported and periphery lobate. Wall calcareous, hyaline, surface in Loeblich & Tappan (1987, pl. 463, figs. 8-9) than the smooth, and slightly translucent to transparent. Aperture specimen of original description (Ellis & Messina, 1940) terminal, radiate, slightly produced, with bluntly round- by having more flattened apertural side. There are 95 ed end. extant species in the genus Oolina and 21 species have Remark. The present specimen differs slightly from been reported in Korea. the specimens reported in Eastern Pacific (McCulloch, Distribution. Korea, China, Yellow Sea, North Atlantic 1977) in having a more widely rounded initial end. Ocean, Irish Sea and St. George’s Channel, Falkland Is- Distribution. Korea, Cortes Bank, off Santa Barbara, lands. Gulf of California. Genus Lagenosolenia McCulloch, 1977 Family Ellipsolagenidae Silvestri, 1923 Genus Fissurina Reuss, 1850 30. Lagenosolenia obtecta McCulloch, 1977 (Plate 6. 4) Lagenosolenia obtecta McCulloch, 1977, p. 67, pl. 64, 28. Fissurina bispinata Ujiié, 1963 (Plate 6. 2a-c) fig. 23 Fissurina bispinata Ujiié, 1963, p. 30, pl. 1, figs. 9-11 (cited from Debenay, 2013); Debenay, 2013, pp. 145, Material examined. Korea, East Sea, station E4 (37°55ʹ 292. 4.816ʺN, 128°51ʹ11.786ʺE), 20 May 2016, by Van Veen Grab, collected by Raehyuk Jeong and Jisu Yeom. NIBR Material examined. Korea, East Sea, 21 May 2016, sta- ID: NIBRPR0000107244. tion E8 (37°23ʹ55.665ʺN, 129°14ʹ57.671ʺE), Van Veen Diagnosis. Test unilocular, elliptical to ovate, com- Grab, by Raehyuk Jeong and Jisu Yeom. NIBR ID: NI- pressed, initial end rounded, periphery slightly keeled. BRPR0000107247. Wall calcareous, hyaline, and perforate especially near Diagnosis. Test small, ovate in outline, with very slight the periphery, surface transparent. Greatest width at be- peripheral keel. Basal end mucronate with two very low middle part, tapering gradually toward basal end, short spines. Wall calcareous, hyaline, surface smooth, evenly to shoulders tapering toward terminal. Aperture and nearly translucent to opaque. Aperture terminal, pro- terminal, oval, with a phialine lip. duced and slit-like. Remarks. According to the original description of Mc- Remark. This species was originally classified as a sub- Culloch (1977), L. obtecta differs from congeners in species of F. cucurbitasema, but later was separated into possessing numerous pores, an incomplete keel, an en- an independent species. Fissurina bispinata differs from tosolenian tube not centered a short hyaline neck em- F. cucurbitasema in having two basal spines. Our spec- braced in a keel, and ending in a phialine lip. There are imen looks similar to the specimens reported from New 142 extant species in the genus Lagenosolenia, but only Caledonia and Japan (Ellis & Messina, 1940; Debenay, one species (L. confossa) has been reported in Korea 2013), but has a slightly more elongated test. (NIBR, 2012; Kim et al., 2016). Distribution. Korea, China, Japan, New Caledonia, Sa- Distribution. Korea, Philippines, Chatham Island, San hul Shelf. Miguel Island.

Genus Oolina d’Orbigny, 1839 December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 91

1a 2a 2b

50 μm 3c

30 μm 3a 3b

Plate 6. 1. (a, b) Guttulina neoproblema McCulloch, 1977; 2. (a-c) Fissurina bispinata Ujiié, 1963; 3. (a-c) Oolina laevigata d’Orbigny, 1839; 4. Lagenosolenia obtecta McCulloch, 1977. Scale bar=100 μm unless indicated otherwise. 92 JOURNAL OF SPECIES RESEARCH Vol. 6, Special Edition

Acknowledgements Debenay, J.P. 2013. A guide to 1,000 Foraminifera from the southwestern Pacific, New Caledonia. IRD Editions. The present study was supported by following re- Publication Scientifique du Museum, Paris. search grants: Discovery of Korean Indigenous Species Eade, J.V. 1967. New Zealand recent Foraminifera of the (Invertebrate) from the National Institute of Biological families Islandiellidae and Cassidulinidae. New Zealand Resources (NIBR 201601201) of Ministry of Environ- Journal of Marine and Freshwater Research 1(4):421- ment, Korea, and Korean National Marine Ecosystem 454. survey (NIMO) from Korea Marine Environment Man- Ellis, B.E. and A.R. Messina. 1940. Catalogue of Fora- agement Corporation (KOEM) with Ministry of Oceans minifera. Micropaleontology Press, New York. [Avail- and Fisheries, Korea. able from:www.micropress.org/em, accessed October 2016-September 2017] Hayward, B.W., F. Le Coze and O. Gross. 2017. World Fora- References minifera Database. [Available from: http://www.marine- species.org/foraminifera, accessed 8 September 2017]. Akimoto, K., C. Matsui, A. Shimokawa and K. Furukawa. Hayward, B.W., H.R. Grenfell, C.M. Reid and K.A. Hay- 2002. Atlas of Holocene benthic foraminifers of Shimaba- ward. 1999. Recent New Zealand shallow-water benthic ra bay, Kyushu, southwest Japan. The Kagoshima Univer- foraminifera: taxonomy, ecologic distribution. Institute sity Museum monographs no. 2, Japan. of Geological & Nuclear Sciences Limited Lower Hutt, Albani, A.D. and I. Yassini. 1989. Taxonomy and distribu- New Zealand. tion of shallow-water Lagenid Foraminiferida from the Höglund, H. 1947. Foraminifera in the Gullmar Fjord and south-eastern coast of Australia. Australian Journal of the Skagerak. Zoologiska Bidrag Från Uppsala. Marine and Freshwater Research 40:369-401. Holbourn, A., A.S. Henderson and N. MacLeod. 2013. At- Brady, H.B. 1881. XL.-On some Arctic Foraminifera from las of Benthic Foraminifera. Natural History Museum. soundings obtained on the Austro-Hungarian North-Po- Blackwell Publishing Ltd. lar Expedition of 1872-1874. Annals and Magazine of Hottinger, L., E. Halicz and Z. Reiss. 1993. Recent Fora- Natural History. ser 5, 8(48):393-418. miniferida from the Gulf of Aquaba, Red Sea. Slovenska Brady, H.B. 1884. Report on the Foraminifera dredged by akademija znanosti in umetnosti, Ljubljana. H.M.S. Challenger during the Years 1873-1876. Report Jones, R.W. 1994. The Challenger Foraminifera. Oxford Sci- of the scientific results of the voyage of HMS Challeng- ence Publications. Oxford University Press. er. Zoology vol. 22. 814 +22 pp. Kim, S., F. Frontalini, V. Martins and W. Lee. 2016. Modern Cimerman, F. and M.R. Langer. 1991. Mediterranean For- benthic foraminiferal diversity of Jeju Island and initial aminifera. Publication of the Slovenian Academy of insights into the total foraminiferal diversity of Korea. Science and Arts and the Swiss Academy of Natural Sci- Marine Biodiversity 46(2):337-354. ence. Lei, L. and T. Li. 2016. Atlan of Benthic Foraminifera from Cushman, J.A. 1910. A monograph of the foraminifera of the China Seas, The Bohai Sea and the Yellow Sea. Springer North Pacific Ocean Part Ⅰ Astrorhizidae and Lituolidae. Nature, Berlin, Germany, Science Press Ltd., Beijing, United States National Museum Bulletin 71. Washington China. Government Printing Office. Loeblich, A.R., Jr. and H. Tappan. 1987. Foraminiferal Cushman, J.A. 1917. A monograph of the foraminifera of Genera and Their Classification. Van Nostrand Reinhold the North Pacific Ocean Part 6 Miliolidae. United States Company, New York. National Museum Bulletin 71. Washington Government Loeblich, A.R., Jr. and H. Tappan. 1994. Foraminifera of the Printing Office. Sahul Shelf and Timor Sea. Cushman Foundation for Cushman, J.A. 1920. The foraminifera of the Atlantic Ocean Foraminiferal Research Inc., Cambridge. Part 2 Lituolidae. United States National Museum Bulle- McCulloch, I. 1977. Qualitative Observations on Recent tin 104. Washington Government Printing Office. Foraminiferal Tests with Emphasis on the Eastern Pacific Cushman, J.A. 1921. Foraminifera of the Philippine and ad- parts Ⅰ, Ⅲ. University of Southern California, Los Ange- jacent seas. Foraminifera of the Philippine and adjacent les, California. seas. United States National Museum Bulletin 100(4):1- McCulloch, I. 1981. Qualitative Observations on Recent 608. Washington Government Printing Office. Foraminiferal Tests with Emphasis on the Allan Hancock Cushman, J.A. 1923. The foraminifera of the Atlantic Ocean Atlantic Expedition Collections part IV. University of Part 4 Lagenidae. United States National Museum Bulle- Sothern California, Los Angeles. tin 104. Washington Government Printing Office. Murray, J.W. 2007. Biodiversity of living benthic foramin- Cushman, J.A. and I. McCulloch. 1939. A report on some ifera: how many species are there? Marine Micropaleon- arenaceous Foraminifera (Plates 1-12). The University of tology 64:163-176. Southern California Press, Los Angeles, California. Murray, J.W. 2006. Ecology and Applications of Benthic December 2017 LEE ET AL.-NEW RECORD OF FORAMINIFERA FROM KOREA 93

Foraminifera. Cambridge University Press. New York. species.org at VLIZ, accessed 8 September 2017]. National Institute of Biological Resources (NIBR). 2012. Yassini, I. and B.G. Jones. 1995. Recent Foraminifera and National List of Species of Korea, Protozoa. NIBR, Min- Ostracoda from estuarine and shelf environments on the istry of Environment, Korea. southeastern coast of Australia. The University of Wol- Parker, J.H. 2009. Taxonomy of Foraminifera from Ningaloo longong Press. reef, western Australia. Association of Australasian Pale- Zheng, S. and Z. Fu. 2001. Fauna Sinica, Phylum Granu- ontologists, Canbera. loreticulosa, Class Foraminiferea, Agglutinated Foramin- Sen Gupta, B.K. (ed.). 2003. Modern Foraminifera. Kluwer ifera. Science press, Beijing. Academic Publishers, New York, Boston, Dordrecht, London, Moscow. Submitted: September 15, 2017 WoRMS Editorial Board. 2017. World Register of Marine Revised: October 11, 2017 Species (WoRMS). [Available from http://www.marine- Accepted: November 13, 2017