Class CephalopodaBlackwell Scientific Publications329–358
Pojeta, John and Gordon, Mackenzie, Jr. 1987. "Class Cephalopoda." In Fossil Invertebrates. Boardman, Richard S., Cheetham, Alan H., and Rowell, A. J., editors. 329–358. Palo Alto, Oxford, London, Edinburgh, Boston, Melbourne: Blackwell Scientific Publications.