sentences:  Yukhov, 1974; Klumov & Yukhov, 1975).In 1981, a Soviet trawler operating off Dronning Maud Land, Antarctica, retrieved a complete specimen (#9) with a mantle length of and total length of from a depth of 750–770 m, which was later identified as an immature female of "M. hamiltoni" (Ellis, 1998