A summary of reports of abyssal and hadal Monoplacophora and Polyplacophora (Mollusca) * Author Schwabe, Enrico text Zootaxa 2008 1866 205 222 journal article 10.5281/zenodo.183815 7ce45df8-da22-4d29-810c-33564fb50f16 1175­5326 183815 Leptochiton batialis Sirenko, 1978 Leptochiton batialis Sirenko 1978 : 118 , fig. 1. Originally seven specimens were described from the type locality: Japan , Honshu, off Kuji [ 36°29’N , 140°44’E ], 2500 m .