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Taxon profile

species

Trichamathina bicarinata (Pease, 1861)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Littorinimorpha »  family Capulidae »  genus Trichamathina

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Trichamathina bicarinata

Author: Kay, E.A.

Trichamathina bicarinata

Author: Hawaiian Shell News

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Description

Capulus bicarinatus (Pease, 1861a). Length, 5 mm; diameter, 2 mm. Shell: triangularly ovate, thin, apex posterior; with two prominent radiating ribs; white. Sculpture: irregular radiating ribs diverging from the apex, two of which are more prominent than the others, and with fine, closely spaced, concentric striae. Color: white.
These capulids live on the oyster Ostrea sandvicensis, the ribs of the capulid shell matching the flutings of the oyster shell.
C. bicarinatus was described from the Hawaiian Islands, and has been reported from the Tuamotus (Dautzenberg and Bouge, 1933).
Kay, E.A., 1979. Hawaiian Marine Shells. Reef and Shore Fauna of Hawaii. Section 4: Mollusca.
Author: Jan Delsing

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