Roper, Clyde F.E.

A Catalog of the type-specimens of recent cephalopda in the national museum of natural history Roper, Clyde F.E. 1978 A Monograph of the cephalopoda of the north atlantic Roper, Clyde F.E. 1969 An illustrated key to the families of the order teuthoidea Roper, Clyde F. E. 1969 Cephalopods from deepwater dumpsite 106 (Western Atlantic Roper, Clyde F.E. 1979 Cephalopods of the world Food and Agricultural Organization of the United Nations 2005 Comparative morphology and function of dermal structures in oceanic squids Roper, Clyde F.E. 1990 Vertical distribution of pelagic cephalopds Roper, Clyde F.E. 1975