Title: An illustrated key to the families of the order Teuthoidea (Cephalopoda)
Authors: Roper, Clyde F. E., 1937-; Young, Richard E.,; Voss, Gilbert L.,; Young, Richard E.; Voss, Gilbert L.; Smithsonian Institution
Publisher: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Year: 1969
Subjects: Squids.; Squids Identification.