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Emarginula Costata
''Emarginula'' is a genus of small keyhole limpets, marine gastropod molluscs in the family Fissurellidae.Bouchet, P.; Gofas, S.; Rosenberg, G. (2012). Emarginula Lamarck, 1801. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138012 on 2013-01-13 Description The oval shell is obliquely conical with a backward-pointing recurved apex. There is a deep incision in the anterior margin. A distinct anal fasciole extends upwards from this incision. The surface is latticed, sculptured with radial ribs. There is no septum inside. Radula The radula has a dental formula of any1.4.1.4.1. any with a wide, rectangular, acuspate rachidian tooth. The various genera have a few dozen rows of teeth. Species According to the World Register of Marine Species (WoRMS), species within the genus ''Emarginula'' include: * '' Emarginula adamsiana'' Sowerby in Adams & Sowerby, 1863 * ''Emarginula adriatica'' Costa O.G., 1829 * '' Emarginula a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emarginula Striatula
''Emarginula striatula'' is a species of slit limpet, a marine (ocean), marine gastropod mollusc in the family (biology), family Fissurellidae, the keyhole limpets and slit limpets. Distribution This marine species is found only in the vicinity of New Zealand and surrounding islands.Arthur William Baden Powell, Powell A. W. B., ''New Zealand Mollusca'', HarperCollins, William Collins Publishers Ltd, Auckland, New Zealand 1979 References * Finlay, H. J. (1928). The Recent Mollusca of the Chatham Islands. Transactions of the New Zealand Institute. 59: 232-286. * Beu, A.G. (1967) Deep-water Pliocene Mollusca from Palliser Bay, New Zealand. Transactions of the Royal Society of New Zealand, Geology, 5, 89–122. * Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |