Coelotrochus
''Coelotrochus'' is a genus of small sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Trochidae, the top snails.Bouchet, P. (2010). Coelotrochus P. Fischer, 1879. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512304 on 2012-06-20 Description The false Umbilicus (mollusc), umbilicus is very deep and narrow, penetrating deeper than the Columella (gastropod), columella, which is inserted upon its edge, not in the centre of the axis. Distribution This marine genus is endemic to New Zealand. Species Species within the genus ''Coelotrochus'' include: * † ''Coelotrochus avarus'' (Suter, 1917) * † ''Coelotrochus bibaphus'' (Bartrum & Powell, 1928) * † ''Coelotrochus browni'' (C. A. Fleming, 1943) * ''Coelotrochus carinatus'' (B. A. Marshall, 1998) * ''Coelotrochus carmesinus'' (Webster, 1908) * ''Coelotrochus chathamensis'' (Hutton, 1873) * ''Coelotrochus davegibbsi'' (B. A. Marshal ...
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