Cruickshank, A. R. I.
(BERNARD PRICE INSTITUTE FOR PALAEONTOLOGICAL RESEARCH, 1973)
The gorgonopsians as typically developed were
undoubtedly the dominant land carnivores of the
Upper Permian and have been compared with the
sabre-tooth cats of the Tertiary (Parrington, 1955,
p. 7 and Kemp, 1969b, p. ...