Marcus, Eveline. American opisthobranch mollusks by Eveline Marcus and Ernst Marcus. - [Miami, Fla.] University of Miami, Institute of Marine Sciences 1967. - viii, 256 p. illus. (part col.) 24 cm. - Studies in tropical oceanography no. 6 . Includes bibliographies. LCCN: 67031694 Subjects--Topical Terms: Opisthobranchia. LC Class. No.: QH91.A1 / S8 no. 6 Dewey Class. No.: 594/.3