Emarginula Quadratum
''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 ...
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Emarginula Striatula
''Emarginula striatula'' is a species of slit limpet, a marine gastropod mollusc in the family Fissurellidae, the keyhole limpets and slit limpets. Distribution This marine species is found only in the vicinity of New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ... and surrounding islands. Powell A. W. B., ''New Zealand Mollusca'', 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 Mollus ...
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