The stratigraphy and palaeontology of the Chadron formation in the Big Badlands of South Dakota

Abstract

only pages 261, 292, 299, 305-333 From Middle Chadron Carnivora Nimravidae Hoplophoneus o'harrai, type From Upper Chadron Creodonta Hyaenodon cruentus mention of H. crucians Carnivora Canidae Pseudocynodictis gregarius with comments on Hoplophoneus o'harrai, Pseudocynodictis paterculus Parictis dakotensis n. sp. with comments on Parictis primaevus, Phlaocyon leucosteus Amphicyonidae Daphoeneus dodgei with comments on Daphoeneus vetus (= felinus), canadensis Mustelidae Mustelavus priscus n. sp. with comments on Plesictis pygmaeus Nimravidae Deinictis (= Dinictis) cf. fortis Hoplophoneus o'harrai Hoplophoneus mentalis Hoplophoneus robustus