SOUTH DAKOTA SCHOOL OF MINES 153 



Stibarus quadricuspis (Hatcher). Carnegie Mus., Ann., vol. 



1, 1901, pp. 131-134, (Leptochoerus). 

 Oreodontidae (Agriochoeridae). 

 Agriochoerus antiquus Leidy. 

 Agriochoerus latifrons Leidy. Ext. Mam. of Dak. and Neb., 



1869, pp. 135-141. Mauv. Terres. 

 Oreodon (Merycoidodon) culbertsoni (Leidy). 

 Oreodon (Merycoidodon) gracilis Leidy. 

 Oreodon (Merycoidodon) sp. cf. bullatus Leidy. 

 Hypertragulidae. 



Hypertragulus calcaratus Cope. 



Leptomeryx evansi Leidy. Acad. Nat. Sci., Phila., Proc, vol. 



6, 1853, p. 394. Mauv. Terres. 

 Hypisodus minimus Cope. 

 Hypisodus alacer Troxell. Am. Jour. Sci., vol. 49, 1920, pp. 



393-396. 

 Camelidae. 



Poebrotherium wilsoni Leidy. Acad. Nat. Sci., Phila., Proc, 



vol. 3, 1847, pp. 322-326. Mauv. Terres. 

 Poebrotherium labiatum Cope. 

 Poebrotherium eximium Hay. U. S. Geol. Surv., Bull. No. 



179, 1902, p. 67. This was first described by Wortman 



as Poebrotherium wilsoni Leidy. See Am. Mus. Nat. Hist., 



Bull., vol. 10, 1898, pp. 111-112. So. Dak. 

 Poebrotherium andersoni Troxell. Am. Jour. Sci., vol. 43, 



1917, pp. 381-389. 

 Paratylopus primaevus Matthew. Am. Mus. Nat. Hist., Bull., 



vol. 20, 1904, pp. 211-213. So. Dak. 



UPPER OLIGOCENE 



(Protoceras and Lower Leptauchenia Zones.) 



Carnivora (Fissipedia). 

 Canidae. 



Cynodictis temnodon Wortman and Matthew. Am. Mus. 

 Nat. Hist., Bull., vol. 12, 1899, p. 130. 

 Felidae. 



Dinictis bombifrons Adams. 



Hoplophoneus insolens Adams. Am. Jour. Sci., vol. 1, 1896, 



p. 429. So. Dak. 

 Eusmilus dakotensis Hatcher. Am. Nat., vol. 29, 1895, pp. 

 1091-1093. So. Dak. 



Rodentia. 



Castoridae. 



Steneofiber nebrascensis (Leidy). Acad. Nat. Sci., Phila., 

 Proc, vol. 8, p. 89. Mauv. Terres. 

 Perissodactyla. 



Rhinocerotidae. 



Caenopus tridactylus Osborn. Am. Mus. Nat. Hist., Bull., 



vol. 5, 1893, pp. 85-89, (Aceratherium). So. Dak. 

 Caenopus platycephalus Osborn and Wortman. 

 Tapiridae. 



Protapirus obliquidens Wortman and Earle. Am. Mus. Nat. 



Hist., Bull., vol. 5, 1893, pp. 162-169. So. Dak. 

 Protapirus validus Hatcher. Am. Jour. Sci., vol. 1, 1896, 

 pp. 162-168. So. Dak. 



