A history of land mammals in the western hemisphere

by William Berryman Scott

†Oxyclænus, Paleoc. †Deltatherium, do.

II. †Arctocyonidæ.

†Clænodon, Paleoc. †Anacodon, low. Eoc.

III. †Mesonychidæ.

†Triisodon, Paleoc. †Dissacus, do. †Pachyæna, low. Eoc. †Mesonyx, mid. Eoc. †Dromocyon, do. †Harpagolestes, mid. and up. Eoc.

IV. †Oxyænidæ.

†Palæonictis, low. Eoc. †Oxyæna, do. †Patriofelis, mid. Eoc. †Limnocyon, do. †Machairoides, do. †Oxyænodon, up. Eoc.

V. †Hyænodontidæ.

†Sinopa, mid. Eoc. †Stypolophus, low. and mid. Eoc. †Tritemnodon, mid. Eoc. †Pterodon, low. Oligo. †Hyænodon, do.