Zooplankton of the South Atlantic Ocean: The structure of the operculum of the species of Atlantidae (Gastropoda: Heteropoda) as a taxonomic criterion, with records of some pelagic mollusks in the North Pacific. Publ. Seto Mar. Biol. Lab., 9:267-332.

Literature

Authors(s)	Tokioka T.
Year	1961
Title	The structure of the operculum of the species of Atlantidae (Gastropoda: Heteropoda) as a taxonomic criterion, with records of some pelagic mollusks in the North Pacific. Publ. Seto Mar. Biol. Lab., 9:267-332.