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 Monoplacophorus zenkevitchi Moskalev, Starobogatov & Filatova, 1983 Monoplacophorus zenkevitchi Moskalev, Starobogatov & Filatova 1983 : 993 , figs 5, 11–13. The species is known from the holotype only, described from the Central Pacific, north of Johnston Islands, west of Hawaii ( 20°41.7'N , 170°52.9'W ) from 2000 m depth. However, the first record of the species dates back to Filatova et al . (1968), who mentioned it as undetermined Monoplacophora. Genus Neopilina Lemche, 1957 Type species: Neopilina galatheae Lemche, 1957 , by monotypy.