Oligocene sedimentation, stratigraphy, paleoecology and paleoclimatology : in the big Badlands of South Dakota /

by Clark, John, 1909-1967
Published 1967

Cymaprimadontidae: a new family of insectivores.

by Clark, John, 1909-1967
Published 1968

Population dynamics of Leptomeryx /

by Clark, John, 1909-1967
Published 1970

Investgation of the classification of the rodent genus Eumys from the Middle Oligocene of the Big Badlands of South Dakota using multivariate statistical analysis /

by Rosser, Sue Vilhauser
Published 1978

A new species of Globidens from South Dakota, and a review of globidentine mosasaurs /

by Russell, Dale A.
Published 1975

Occurrence of the alligatoroid genus Allognathosuchus in the Lower Oligocene /

by Patterson, Bryan, 1909-1979
Published 1931

A soricid and two erinaceids from the White river Oligocene /

by Patterson, Bryan, 1909-1979
Published 1937

A fossil egg from South Dakota /

by Farrington, Oliver C. (Oliver Cummings), 1864-1933
Published 1899