Trapezium bicarinatum Schumacher, 1817

first description:
type location:
size: mm ?
depth:
distribution: Tuamotu Società
no photo for this shell 		sinonim:
note:
Trapezium oblongum (Linnaeus, 1758)

first description:
type location:
size: mm 40-68
depth:
distribution: Tuamotu Società
no photo for this shell 		sinonim:
= carinatum (Brugui re,1792) [Cardita]
= guinaicum (Lamarck,1819) [Cypricardia]
= perfectum Von Muhelfeldt,1811
note: