インド-太平洋産キクザルガイ科二枚貝の 1 新種ハチノスキクザル

概要

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A new shallow water Chama species is described based on shells collected from Melanesia, Polynesia, southern Japan and Aldabra Island, Indian Ocean. The species attaches itself to the substrate by a narrow portion of the left valve. The right valve is subcircular, slightly inflated, and bears three dark brown spiral streaks on the outer surface. The outer surface is ornamented with commarginal fluted lamellae, giving a honeycomb-like appearance. The left valve is nearly smooth and well inflated. The shell is composed of two aragonitic layers. This new species clearly differs from Chama japonica Lamarck by its characteristic honeycomb-like ornamentation.
日本貝類学会の論文