PART III: UNGULATA, ANCYLOPODA—ARTIODACTYLA. 911 
Name, authority, and date. Type or included species, and localities. 
Loxocoelus AMEGHINO, 1895 ........ Loxocoelus carinatus, Patagonia. 
Periphragnis Rorg, 1899 . .......... Periphragnis harmeri, Chubut, Patagonia. 
Rodiotherium AMEGHINO, 1895 ...... Rodiotherium armatum, Patagonia. 
Scaphops AMEGHINO, 1895.......... Scaphops grypus, Patagonia. 
Stenogenium AMEGHINO, 1895 ....... Stenogenium sclerops, Patagonia. 
INCERTZE SEDIS. 
Ortholophodon Rorn, 1901.......... Ortholophodon prolongus, Lago Musters, Pata- 
gx nia. 
Tralobodon® Rotu, 1901..-......... Trilobodon brancoi, Chubut, Patagonia. 
ARTIODACTYLA.’ 
AGRIOCHCERIDZE. 
FAMILIES AND SUBFAMILIES. 
Agriochaeridz Lkrpbv, 1869. Leptomerycine ZrrrEL, 1893. 
Artionychide OsBoRN & WortMAN, 1893. Merycoidodontine Hay, 1902. 
Cotylopide LyDEKKER, 1889. t Oreodontid: Leipy, 1869. 
Eomericide Marsu, 1894. Protoreodontin:x Scorr, Sept. 2, 1890. 
Hypisodontine Corr, 1887. Protoreodontide Scorr, 1890. 
GENERA AND SUBGENERA. 
Name, authority, and date. ; Type or included species, and localities. 
Agriocherus Lewy, 1850-51 ........ Agriocherus antiquus, South Dakota. 
Agriomeryx Mansn, 1894........... Agriomeryx migrans, South Dakota. 
T-Agriotherium Scorr, 1898 ......... Agriotherium paradoxicum, Uinta Basin, Utah. 
(See Protoreodon and Chorotherium. ) 
Arretotherium Douauass, 1901....... Arretotherium acridens, near Dillon, Montana. 
Artionyx OsBoRN & WonrMAN, 1893. Artionyx gaudryi White River, South Dakota. 
Bathygenys Douauass, 1901......... Bathygenys alpha, near Whitehall, Montana. 
Brachycrus MATTHEW, 1901......... Merycocherus rusticus, Sweetwater River, Wyo. 
Brachymeryx Cork, 1878 ........... Brachymeryx feliceps, Deep River, Montana. 
Camelomeryx Scorr, 1898. .......... Camelomeryx longiceps, Uinta Basin, Utah. 
Chorotherium Brera, 1899........... New name for Agriotherium Scott, 1898. 
Coloreodon COPE, 1879... 22-02-22. Coloreodon ferox (type), C. macrocephalus, John 
Day River, Oregon. 
Coivlopssiinimya SD ree eT Cotylops speciosa, South Dakota. (See Merycoido- 
don). 
@yclopidius Corn, 1878 5: --- 2-2 -=a-- Cyclopidius simus (type), C. heterodon, Deep 
River, Montana. 
Eomeryx MaAnsH, 1894 ............. Agriocherus pumilus Uinta Basin, Utah. 
“poreodon M AnsH, 1875...-..------- Oreodon occidentalis, John Day River, Oregon. 
Eucrotaphus Lripy, 1850.-...------ Eucrotaphus jacksoni, Fort Laramie, Wyoming. 
Hyomenyx MARSH, 1894 ...--.--.-.2 Hyomeryx breviceps, Uinta Basin, Utah. 
Ho pisos COPE, 1879---2------22--- Hiypisodus ringens, Colorado. 
Leptauchenia Lrtpy, 1856 .......... Leptauchenia decora, White River, 8. Dakota. 
Leptomeryx Lripy, 1853............ Leplomeryx evansi, Nebraska. 
Leptore don WortmMan, 1898........ Leptoreodon marshi, Uinta Basin, Utah. 
Limnenetes Dovarass, 1901 ......... Limnenetes platyceps, Three Forks, Montana. 
4 Trilobodontide Rorm MS. 
b OwEN, Quart. Journ. Geol. Soc. London, IV, p. 151, 1847, 
c Agriocheride Lxtpv, 1871. 
