5. Ordnung. Tillodontia. Marsh. 



1. Familie. Esthonycliidae. 



Esthouyx bisulcatus, Cope. Wasatch-Eocän von New-Mexico. 

 — Cope, Rep. Ext. Veit. New -Mexico. 1877. pag. 154. PI. XL. 

 Fig. 27—33. 



Esth. acer, Cope. Wasatch-Eocän von New-Mexico. — Cope, 

 Ann. Rep. U. St. Geol. S. 1874. pag. 119. 



Esth. Burmeisteri, Cope. Wasatch-Eocän von New-Mexico. — 

 Cope, Tert. Vert. 1884. pag. 204. PI. XXIV^. Fig. 1—10. 



Esth. acutidens, Cope. Bridger-Eocän von Wyoming. — 

 Cope, 1. c. 1884. pag. 210. PI. XXIV«. Fig. 17—21. 



Esth. spatularius, Cope. Bridger-Eocän von Wyoming. — - 

 Cope, 1. c. 1884. pag. 211. PI. XXIV'\ Fig. 22—25. 



Platychörops Richardsoni, Charles w. Eocän von Eng- 

 land. — Owen, Geol. Mag. II. 1865. pag. 339. PL X. Fig. 1. — 

 Syn. : Miolophus planiceps, Owen. 



2. Familie. Tillotheriidae. 



Tillotherium hyracoides, Marsh. Bridger-Eocän von Wyo- 

 ming. — Marsh, Am. Journ. Sc. A. V. 1873. pag. 485. — IX. 

 1875. pag. 221. 



Till, fodiens, M. Bridger-Eocän von Wyoming. — Marsh, 

 I. c. 1875. pag. 241. — XI. 1876. PI. VIII. Fig. 1 — 3. IX, 1—3. 



Till, latidens, M. Bridger-Eocän von Wyoming. — Marsh, 

 1. c. VII. 1874. pag. ^3. — XI. 1876. PI. IX. Fig. 4. 



Anchippodus riparius, Leidy. Bridger-Eocän von Wyo- 

 ming. — Leidy, Ext. Mamm. F. Dak. Nebr. 1869. pag. 403. PI. XXX. 

 Fig. 45. 46. — Leidy, Contrib. Ext. V. F. 1873 pag. 71. PI. V. 

 Fig. 1 — 3. — Marsh, Am. Journ. Sc. A. II. 1871. pag. 36. PI. IX. 

 Fig. 5. — Syn.: Trogosus castoridens, Leidy. — Anch. minor, Marsh. 

 — Paläosyops minor, Marsh. 



Anch. vetulus, Leidy. Bridger-Eocän von Wyoming. — Leidy, 

 Contrib. 1873. pag. 75. PI. VI. Fig. 43. — Syn.: Trogosus vet., Leidy. 



3. Familie. Cnlamodoutidae. 



Psittacotherium multifragum, Cope. Puerco-Eocän von 

 New-Mexico. — Cope, Tert. Vert. 1884. pag. 196. PI. XXI V'. Fig. 2. 

 - Cope, Am. Nat. XXI. 1887. pag. 469. — Osborn et Earle, 

 Bull. Am. Mus. Nat. Hist. VII. 1895. pag. 42. 



Psitt. Aspasiae, Cope. Puerco-Eocän von New-Mexico. — 

 Cope, 1. c. 1884. pag. 196. PI. XXIVK Fig. 3. 4. 



Psitt. megalodus, Cope. Puerco-Eocän von New-Mexico. — 

 Cope, Am. Nat, XXI. 1887. pag. 469. 



