CLA SSIFICA TION 9 1 



Group. TILLODONTIA— Tillodonts. 



Fam. Anchippodontidae — Anchippodus. 

 Calamodontidae — Calamodon. 



Order vii. Eodentia — Kodents. 

 Suborder 1. Simplicidentata. 



Fam. 1. Anomaluridcc — Auomalurus. 



2. Sciurida? — Squirrels and Marmots. 



3. Haplodontidcc — Haplodon. 



4. Ischyroniyidae — Ischyromys. 



6. Myoxidce — Dormice. 



7. Lophiomyidre — Lophiomys. 



8. Muridce — Rats, Mice, and Voles. 



9. Spalacidcc— Mole-rats. 



TO. Geomyida; — Pouched Rats. 



1 1 . Dipodidce — Jerboas. 



1 2. Theridomyidae — Theridomys. 



13. Octodontidce — Spiny Mice. 



1 4. Oastoroididae — Castoroides. 



1 5. Hystricidic — Porcupines. 



1 6. Chinchillidce — Chinchillas. 



17. Dinomyidce — Dinomys. 



1 8. Caviidce — Cavies. 



1 9. Dasyproctidre — Agouties. 



Suborder 2. Duplicidentata. 



Fam. 20. Lagomyidce — Picas. 



21. Leporidce — Hares and Rabbits. 



Order viii. Carnivora — Carnivores. 



Suborder 1. Carnivora Vera — Fissipedes. 



Fam. 1. Felidce — Cats. 



2. Hycewidce — Hyaenas. 



3. Proteleidce — Earth-wolf. 



4. Viverridce — Civets and Ichneumons. 



5. Canidce — "Wolves and Foxes. 



6. Vr&idM — Bears. 



7. Mustelidce — -Weasels and Otters. 



8. P?-ocyonidce — Racoons and Cat-bear. 



Suborder 2. Pinnipedia — Pinnipedes. 



Fam. 9. Otariidce — Eared Seals. 



1 0. Trichechidce — Walrus. 



1 1 . Phocidos — Seals. 



Suborder 3. CREODONTA — Creodonts. 



Fam. 12. Hyaenodontidae — Hycenodon. 



1 3. Proviverridae — Proviverra. 



14. Arctocyonidae — Arctocyon. 



1 5. Mesonychidae — Mesonyx. 



