奄美大島北部海域における後鰓類相の調査報告 A RESEARCH REPORT OF OPISTHOBRANCHIA (MOLLUSCA:GASTROPODA) IN NORTHERN PART OF AMAMI-OSHIMA ISLAND,KAGOSHIMA, JAPAN
奄美大島北部海域における後鰓類相の調査報告 A RESEARCH REPORT OF OPISTHOBRANCHIA (MOLLUSCA:GASTROPODA) IN NORTHERN PART OF AMAMI-OSHIMA ISLAND,KAGOSHIMA, JAPAN