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 japonicus ( Thiele, 1909 ) Leptochiton japonicus Thiele 1909 : 11 , pl. 1, figs 21–29. Sirenko (1977) gave the general bathymetric range of this species from 150 to 2500 m depth, without further comments.