Viverravus, Marsh. Am. Jour. of Sc., 3d Ser. vol. iv., p. 127.
V. gracilis, Marsh, loc. cit.
V. (?) nitidus, Marsh, loc. cit., p. 205.
Ziphacodon, Marsh. Am. Jour. of Sc., 3d Ser. vol. iv., p. 216.
Z. rugatus, Marsh, loc. cit.
Vulpavus, Marsh. Am. Jour. of Sc., 3d Ser. vol. ii., p. 124.
V. palustris, Marsh, loc. cit.
Miacis, Cope. Pr. Am. Phil. Soc., 1872, p. 470.
M. parvivorus, loc. cit.; Viverravus parvivorus, U. S. Geol. Survey of Terrs., 1872, p. 560.
Mesonyx, Cope. Pr. Am. Phil. Soc., 1872. p. 460; U S. Geol. Survey of Terrs., 1872, p. 550.