North American Recent Soft-Shelled Turtles (Family Trionychidae)

by Robert G. Webb

1933. Testudinata from south-eastern Georgia, including the Okefinokee swamp. Copeia, 1933(1):10-12, April 3.

Dickinson, W. E.

1950. Recent additions to the records of the distribution of the reptiles in Wisconsin. Trans. Wisconsin Acad. Sci. Arts Letters, 40(1):71-77, August 15.

Dill, W. A.

1944. The fishery of the lower Colorado River. California Fish and Game, 30(3):109-211, 38 figs., 7 tables, July.

Dorf, E.

1959. Climatic changes of the past and present. Contr. Mus. Paleont., Univ. Michigan, 13(8):181-210, 3 figs., 1 pl., 7 maps, April 17.

Dowling, H. G.

1957. A review of the amphibians and reptiles of Arkansas. Occas. Pap. Univ. Arkansas Mus., No. 3:1-51, 1 map, July 15.