Basteria_cover_81(1-3):Opmaak 1 8/26/2017 12:28 PM Page 1 Contents JOURNAL OF THE NETHERLANDS MALACOLOGICAL SOCIETY BASTERA VOLUME 81 (1-3) | 10 SEPTEMBER 2017 VOLUME 81 (1-3) | 10 SEPTEMBER 2017 Willan, R.C. & Chang, Y.-W. Description of three new species of Tambja (Gastropoda, Nudibranchia, Polyceridae) from the western Pacific Ocean reveals morphological characters with taxonomic and phylogenetic significance for traditional Polyceridae and related ‘phaneorobranch’ nudibranchs ........................................................................ 1 Breure, A.S.H. & Backhuys, W. Type material of Drouët’s molluscan taxa described from French Guiana and Martinique .................................................................................... 24 Hoeksema, D.F. & Simons, G.F. Bornia canariensis Hoeksema & Simons, 2011, in the Mediterranean (Bivalvia, Heterodonta, Galeommatoidea, Kelliidae )............................. 27 Smriglio, C., Mariottini, P. & Swinnen, F. A new mathildid from Saint Helena Island, South Atlantic Ocean (Gastropoda, Heterobranchia, Mathildidae) ................................. 29 Boeters, H.D. Corrections regarding Clameia brooki Boeters & Gittenberger, 199 0, and Mervicia kirea Boeters, 1991 (Gastropoda, Moitessieriidae and Hydrobiidae) ................ 36 Heij, A. de, Goud, J. & Martin, J. The distribution of Sepiolidae (Cephalopoda) in the Cretan subspecies of Northeast Atlantic Ocean ....................................................................................................... 37 Metafrucicola nicosiana Poorten, J.J. ter & Chino, M. A note on the identity of Acrosterigma suluanum Neubert & Hirschfelder Vidal, 1999 (Bivalvia, Cardiidae) ........................................................................................... 51 (p.60) Neubert, E. & Hirschfelder, H.-J. On a new subspecies of Metafruticicola (Rothifruticicola ) nicosiana from Crete (Gastropoda, Pulmonata, Hygromiidae) ......................................... 60 Index to Volume 80 ........................................................................................................................ 63 Basteria_cover_81(1-3):Opmaak 1 8/26/2017 12:28 PM Page 2 Editorial board Prof. Dr E. Gittenberger (editor-in-chief), Dr B. Kokshoorn (layout editor), G.C. Kronenberg (editor). Associated editors Prof. Dr G. van der Velde (freshwater molluscs), Prof. Dr G.J. Vermeij (fossil and recent marine molluscs), Dr F.P. Wesselingh (fossil molluscs). Editorial address Naturalis Biodiversity Center Darwinweg 2, P.O. Box 9517, NL-2300RA Leiden Tel. +31(0)71-5687614, Fax. +31(0)71-5687666, e-mail: [email protected] Membership fees Netherlands Malacological Society (NMV) Author guidelines For subscription, please contact the secretariat of the NMV: [email protected]. 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Printed by High Trade , Zwolle, The Netherlands B2017-14-Ter_Poorten:Basteria-2015 8/26/2017 12:41 PM Page 51 A note on the identity of Acrosterigma suluanum Vidal, 1999 (Bivalvia, Cardiidae) Jan Johan ter Poorten Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605, United States ; [email protected] Mitsuo Chino 6-23-18-202, Arima, Miyamae-ku, Kawasaki, Kanagawa, 216-0003, Japan ; [email protected] The description of A. suluanum is based on much Acrosterigma suluanum Vidal, 1999 , was described worn , almost completely discoloured loose valves , 51 based on much worn material from Sulu Archipelago, sampled more than a century ago , from the Philip - Philippines and Japan, collected more than a century pines and Japan. The state of preservation does not ago . Due to the find of fresh and live Japanese mate - unequivocally allow inclusion in the Recent fauna . rial, additional morphological data are provided, a re - Until recently, the species is only known from its type description is given and new distribution data are material , which is mostly juvenile, including the holo - recorded . Additionally, its occurrence in Japanese type . A short time ago , well preserved complete speci - Pleistocene deposits is documented. mens from Japan have become available, enabling to supplement morphological, morphometrical, ecologi - Key words: Cardiidae, Acrosterigma , distribution, Japan, Philip - cal and biogeographical data. Thanks to the recogni - pines. tion of fossil material from the Pleistocene of Japan, palaeogeographical data are given . Introduction Material and methods Vidal (1999) , in his revision of the genus Acrosterigma The material from this study originates from the fol - Dall, 1900 , assigned the following taxa in a species- lowing collections: MNHN, USNM, ZMUC and JJTP group that occurs in deep water of the Indo-West Pa - (see below). The height is measured along an axis per - cific: A. uniornatum Vidal, 1999; A. profundum Vidal, pendicular to the hinge, and the length is the greatest 1999; A. amirante Vidal, 1999 and A. suluanum Vidal, distance between the anterior and posterior ends, par - 1999. One fossil species is included: A. paulayi Vidal, allel to the hinge line. Following Vidal (1999), angle A 1999. Later on , A. suduirauti Vidal & ter Poorten, 2007 (Fig. 1f) is formed by two lines joining the laterals to was added. the main cardinal in the right valve, measured in Pho - One of the most apparent distinguishing features toshop and based on a high resolution scan of the inte - separating this species-group from other Acrosterigma rior of the shell . Ratio D (Fig. 1f) measures the taxa are the long, thin , regularly obliquely placed asymmetry of the hinge; it is determined by dividing scales on the radial ribs of the posterior slope of the the length of the line from the tip of the umbo to the shell. tip of the posterior lateral by the corresponding dis - Basteria 81 (1-3): 51-59 (2017) B2017-14-Ter_Poorten:Basteria-2015 8/26/2017 12:41 PM Page 52 tance from the umbo to the tip of the anterior lateral. Rib morphology: on the posterior quarter of the Shell shapes have been compared according to the ori - shell, interstices very narrow, ribs very flat with an entation of the nymphs, following the method of axial furrow separating two zones of similar width. Hylleberg (2014). Slightly elongated, tubercular, oblique scales on poste - Acronyms of institutions and repositories: JJTP , rior part encroaching upon anterior zone, straddling Colln J.J. ter Poorten, Hilversum, The Netherlands; axial furrow. On the median-posterior quarter ribs be - MNHN , Museum national d’Histoire naturelle, Paris, come flatly triangular and asymmetrical, then France; USNM , Smithsonian Institution, Washington rounded. In the juvenile stage, scales disappear and DC, U.S.A.; ZMUC , Zoological Museum University of are replaced posteriorly with numerous very thin Copenhagen, Denmark. short ridges or tubercles, situated at base of rib, touch - Abbreviations: juv., juvenile; H , height; L , length; ing interstice. In the adult stage, thin, oblique scales p.v. , paired valves; s.v., single valve(s); LV, left remain present, more close-set towards the shell mar - valve(s); RV, right valve(s). gin. On the median-anterior quarter, large scales are present on the posterior flanks, superimposed on fine Systematic part short ridges or tubercles; a similar fine beading but thinner and more tubercular appears also at base of Family Cardiidae Lamarck, 1809 anterior flank of ribs. On the anterior quarter, the fine Subfamily Trachycardiinae Stewart, 1930 beading of both sides disappears and posterior large scales proceed to top and anterior flank of ribs, form - Acrosterigma Dall, 1900 ing free curved top-ridges , which are not imbricated. Exterior colour consisting of a cream to yellowish Acrosterigma Dall, 1900: 1073, 1090 (as a section of Trachy - background with orange to reddish-brown splashes, cardium ). Type species by original designation: Cardium dalli posterior quarter with deep red-brown commarginally Heilprin, 1887; Caloosahatchee Formation, Pliocene, Florida, arranged blotches, coinciding with the radial ribs ; in - U.S.A. terstices lemon-yellow on posterior slope. Interior white with light orange or pink umbonal cavity and Acrosterigma suluanum Vidal, 1999 commarginally undulating