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Mangelia Coarctata (Forbes, 1840), Raphitoma /Eujrqyi (Michaud,1838), Coryphela Sp

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Mangelia Coarctata (Forbes, 1840), Raphitoma /Eujrqyi (Michaud,1838), Coryphela Sp A<;:OREANA, 2000, 9(2): 175-178 ADDITIONS TO THE MARINE MOLLUSCS 0 F THE FORMIGAS ISLETS, AZORES Strgio P. Avila*,Jorge Fontes**, Fernando Tempera**& Frederico Cardigos** * Sec~ao de Biologia Marinha e C1RN, Departame~to de Biologia, Universidadedos Aqores PT 9500 Ponta Delgada -A~ores - e-mail: [email protected] ** Departamento de Oeeanografia e Peseas, Universidadedos Aqores PT 9900 Horta - Aqores PT 9500 Horta - Aqores ABSTRACT The Formigas islets were surveyed for its molluscan fauna in 1990 during the "Santa Maria & Formigas 1990" scientific expedition. Preliminary results were published by Avila & Azevedo (1997). That earlier list is here complemented with new records and some cor­ rections. Species determination, synonymy and the ordination of families follows the CLEMAM database (http://www.mnhn.fr/base/malaco.html). Six new taxa are reported to the Azores: Vitreo/ina curva (Monterosato, 1874), Nassarius cf. ovoideus (Locard, 1886), Mangelia coarctata (Forbes, 1840), Raphitoma /euJrqyi (Michaud,1838), Coryphela sp. and Pseudocham£lgryphina (Lamarck, 1819). The total number of shallow-water marine molluscs from Formigas islets is now of 88 taxa (1 Polyplacophora,66 Gastropoda, 20 Bivalvia and I Cephalopoda). RESUMO A fauna malacol6gica dos Ilheus das Formigas foi abordada por Avila & Azevedo (1997). A presente lista vern completar e corrigir aquele documento. Seis novos taxa sao dados para os Aqores:Vitreo/ina curva (Monterosato, 1874), Nassarius cf. ovoideus (Locard, 1886), Mangelia coarctata (Forbes, 1840), Rophitoma leuJrqyi (Michaud,1838), Colyphela sp. e Pseudochama gryphina (Lamarck, 1819). 0 nUmero total de moluscos marinhos das aguas pouco profundas dos ilhtus das Formigas ascende agora a 88 taxa (1 Polyplacophora,66 Gastropoda, 20 Bivalvia e I Cephalopoda). 176 ACOREANA 2000, 9 (2): 175-178 INTRODUCTION SYSTEMATIC LIST Phylum MOLLUSCA he shallow bottoms of the Forrnigas islets were surveyed for its molluscan Class POLYPLACOPHORA T Order LEPIDOPLEURIDA fauna in 1990 during the "Santa Maria & Ischnochitonidae Formigas 1990" scientific expedition. Lepidochitona simrothi (Thiele, 1902) Lepidochitolla simrothi (Thiele). DOP /ML 0032 J.?reliminary results were published by AviJa & Azevedo (1997). That earlier list is Class GASTROPODA here complemented 'with new records and Subclass PROSOBRANCHIA some corrections. Species determination. Order APOGASTROPODA synonymy and the ordination of families Eulimidae Vitreolina curva (Monterosato, 1874) follows the CLEMAM database (http: Eulima sp. Formigas (Avila & Azevedo, / /www.mnhn.fr/base/malaco.html). 1997: 327) (misidentification). Six new taxa are reported to the Vitreo/ina curt/a (Monterosato, 1874). DBUA Azores: Vitreolina curva (Monterosato, 338,343,355. 1874), Nassarius cf. ovoideus (Locard, Remarks: first record to the Azores. 1886), Mangelia coarctata (Forbes, 1840), Rissoidae Raphitoma leufrqyy (Michaud, 1838), A/vania internodu/a (Hoenselaar & Goud, Coyphela sp. and Pseudochama gryphina 1998) Alvania sp. Formigas (Avila & Azevedo, (Lamarck, 1819). The total number of 1997: 326). shallow-water marine molluscs from Formigas islets is now of 88 taxa (1 Assimineidae Paludinella littonna (delle Chiaje,·1828) Polyplacophora, 66 Gastropoda, 20 Paludinellalittorina (delle Chiaje, 1828). DBUA Bivalvia and 1 Cephalopoda). 355. ABBREVIAnONS USED IN TEXT Cypraeidae Luria lurida (Linnaeus, 1758) DBUA -Department of Biology of the Gibberula sp. (Avila & Azevedo, 1997: 327) University of the Azores, Ponta Delgada. (misidentification). DBUA 362 Quvenile). ImagDOP -image bank of the Department of Ranellidae Oceanography and Fisheries, University of the Ranella olearium (Linnaeus, 1758) Azores, Horta. Rane/fa o/ean'um (Linnaeus, 1758). DO 15. DOP /ML -Molluscs Reference Collection of the DOP/UA. Nassariidae DOP/MF -DOPMARe Formigas: in situ visual Nassanus cf. ovoideus (Locard, 1886) identification by researchers of the DOP /UA ? Co/us sp. Formigas (Avila & Azevedo, 1997: team (specimens were not collected. 327) (misidentification). DO-personal collection of Mr. Duarte Nassarius c£ owideus (Locard, 1886). OBUA 340. Oliveira. Remarks: first record to the Azores. AVILA ET AI..: MARINE MOLLUSCS Of/THE FORt\UGAS ISLETS 177 Collumbellidae Subclass OPISTHOBRANCHIA Anachis avaroides Gofas, 1989. Order THECOSOMAT A RopIJiWfIl£l carnosula Oefferys, 1869). Formigas (Avila Cavoliniidae & Azevedo, 1997: 327) (misidentification). Cavolinia inflexa (Lesueur, 1813) Anachis aI/amide:; Nordsieck, 1975. DOP/ML CavoJinia injlexa (Lesueur, 1813). DBUA 355. 0034 Order NUDIBRANCHIA Marginellidae Chromodorididae Volvarina oceanica Gofas, 1989 Chromodoris britoi Ortea & Perez, 1983 Volvarina sp. Formigas (A vila & Azevedo, 1997: Chromodoris briloi Ortea & Perez, 1983. 327). Formigas Islets (DOP/MF 1999/06/11). Volvarina amnim Gofas, 1989. DBUA 338,342. (Verany, 1846) Mitridae Chromodoris krohni Chromotioris krohni (Verany, 1846). ImagDOP Mitra cornea(Lamarck, 1811) 34,35. Mitra nigra (Gmelin, 1791). Formigas (Avila & Azevedo, 1997: 327) (misidentification). Mitra cornea Lamarck, 1811. DOP /ML 0035. Chromodoris purpurea (Risso in Gukrin, 1831) Remarks: Mitra nigra (Gmelin, 1791) is a species Chromodoris purpurea (Risso in Guerin, 1831). that extends from Cape Verde Islands to ImagDOP 34. Angola, being present also at Sao Tome) (Rolan et aL, 1997). Mitra cornea, a species with Glossodoris edmundsi Cervera, Garcia­ a planktotrophic type of development, has a Gomez & Ortea, 1989. white body with a yellow border along the G/ossodoris edmundsi Cervera, Garcia-Gomez superior margin of the foot and in the tenta­ & Ortea, 1989. Formigas Islets (DOP /MF cles, whereas the body of M. corniculum, is 2000/08/31). Dollabarat bank (D0P/MF entirely white (see Moran et aL, 1989; Rolan et 1999/06/07, DOP/MF 2000/08/01) aL, 1997). Turridae Hypselodorispicta (Schultz in Philippi, 1836) Haedropleura septangularis (Montagu, 1803) Hypsewdoris pieta (Schultz in Philippi, 1836). Haedropleura seplangularis (Montagu, 1803). ImagDOP 33, 34, 35. Formigas Islets DBUA 338. (DOP/MF 1999/06/11, DOP/MF 2000/08/31). DoLlabarat bank (DOP/MF Conidae 1999/06/09). DBUA 354. Mangelia coarctata (Forbes, 1840) Remarks: Hypselodoris picla azorica Ortea, Valdes Mangelia sp. Formigas (A vila & Azevedo, & Garcia-Gomez 1996 is a junior synonym. 1997: 327). Mangelia.coarclala (Forbes, 1840). DBUA 338. Discodorididae Remarks: first record to the Azores. Discodoris atromaculata (Bergh, 1880) Discotion's atromaculata (Bergh, 1880). 1997 Raphitoma leufroyi (Michaud, 1838) 327). Formigas Islets (DOP /MF Raphiloma leujrl!Ji (Michaud, 1838). DBUA 1999/06/01). Between Dollabarat bank 338,343. and the Formigas Islets (DOP /MF Remarks: first record to the Azores. 1999/11/06). 178 A(:OREANA 2000, 9 (2): 175-178 Platydorididae ACKNO\"nX::DGMENTS Platydoris argo (Linnaeus, 1767) Discodoris cf. millegrana (Alder & Aancock, We thank Emilio Rolan and Jose Pedro 1854). Avila & Azevedo, 1997: 328 Borges, who have confirmed some of the ( misidentification). identifications. The authors wish to express PIa!Jdoris argo (Linnaeus, 1767). Dollabarat their acknowledgements to Ricardo Serrao bank (DOP/MF 1999/06/07). Santos, Joao Gonc;:alves, Joao Pedro Polyceridae Barreiros, Pedro Afonso, Telmo Gomes, Polycera elegans (Bergh, 1894) Natacha Carvalho, Rogerio Ferraz, Po!Jcera elegans (Bergh, 1894). Formigas Islets Catarina Alves, Paulo Martins, Norberto (DOP/MF 1999/06/04). Serpa, Vitor Rosa, Carlos Rodrigues, Flabellinidae Fernando Feiteira, Jose Furtado and Paulo Coryphella sp. Melo for their help in the work developed Coryphella sp. ImagDOP 34. a t sea. Remark it is the first time that this genus is S. P. Avila was supported by FeT given to the Azores. (PRAXIS XXI/BM/20S21/99). 1. Fontes and F. Tempera were funded by E U LIFE­ Class BlY AL VIA Subclass HETERODONT A Nature project B4-3200/98/S09. F. Order PTERIOIDA Cardigos was funded by EU-MAST 3 pro­ Pectinidae ject MAS3-CT97-0092. Chlamys cf. varia (Linnaeus, 1758) Chlamys c£ varia (Linnaeus, 1758). DBUA,340. LITERATURE CITED Order VENEROIDA AVILA, S.P., & 1M.N. AZEVEDO, 1997. Chamidae Shallow-water molluscs from the Formigas islets, Pseudochama gyphina (Lamarck, 1819) Azores, collected during the "Santa Maria e Sponc!ylus cf. senegalensis Schreibers, 1793. Formigas 1990" scientific expedition. A(oreana, Formigas (DBUA 364) (Avila & Azevedo, 8(3): 323-330. 1997: 328) (misidentification). GOFAS, S., 1989. Le genre Volvanf/a (Marginellidae) Remarks: first record to the Azores. dan la Mediterranee et I'Atlantique ch.i Nord Est. Bolletino Makuologico, 25(5-8): 159-182. Veneridae MORAN, R, A A LUQUE & L.I?BURNAY, 1989. Venus cas ina Linnaeus, 1758 Contribucion al conocimiento de los moluscos Venus casina Linnaeus, 1758. DBUA 338. Gasteropodos Prosobranquios del archipelago de Cabo Verde. 11 Mitridae. Pub/icariks Ocasionais cia Socieclade POrlugucsa de Malacologia, 14: 1-11. ROLAN, E., L. DANTART & F. FERNANDES, 1997. On some dark species of Mitra from the Mediterranean and the Atlantic. LA Conchiglia, 285: 11-23. .
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