Coelotrochus P. Fischer 1879

Coelotrochus is a genus of small sea snails, marine gastropod mollusks in the family Trochidae, the top snails. ^[1]

Description

The false umbilicus is very deep and narrow, penetrating deeper than the columella, which is inserted upon its edge, not in the centre of the axis.^[2]

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. Marshall, 1998)
• † Coelotrochus fossilis (Finlay, 1926)
• † Coelotrochus gracilis (Laws, 1936)
• Coelotrochus oppressus (B. A. Marshall, 1998)
• Coelotrochus polychromus (B. A. Marshall, 1998)
• Coelotrochus rex (B. A. Marshall, 1998)
• Coelotrochus tiaratus (Quoy & Gaimard, 1834)
• Coelotrochus viridis (Gmelin, 1791)

References

• Nomenclator Zoologicus info
• Image of the holotype of the species, N.Z. government site
• Williams S.T., Donald K.M., Spencer H.G. & Nakano T. (2010) Molecular systematics of the marine gastropod families Trochidae and Calliostomatidae (Mollusca: Superfamily Trochoidea). Molecular Phylogenetics and Evolution 54:783-809.