抄録
Molluscs drifted on the coast of Amami-Oshima in Amami Islands were examimed. Drifted shells were collected from twenty sites at ebb tide in late January 2017 and 2018. The Amami-Oshima molluscan fauna is composed of 177 species of shelled molluscs, 60 bivalves and 117 gastropods. The fauna is also dominated by rocky-shore species such as Barbatia fusca, Chama japonica, Nerita albicilla, Strombus luhuanus etc. The fauna contains many coral reef elements such as Tridacna maxima, Cypraea annulus and C.moneta. From the specific composition, the fauna is convincely assigned to tropical marine climate.
https://ror.org/02gn38d51 
