PART III: UNGULATA, CONDYLARTHRA. 988 
MIOCLZENIDZE. 
Mioclznidzx Osporn & EARrE, 1895. 
, 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Misocienus Corn, [881 4. S22. 5. 22. Mioclenus turgidus (type), M. sectorius, M. an- 
gustus, M. mandibularis, New Mexico. 
Protoselene MATTHEW, 1897 ......... Mioelsnus opisthaeus, New Mexico. 
PHENACODONTIDZE. 
FAMILIES AND SUBFAMILIES. 
Eohyide Marsn, 1894. Selenoconidae AMEGHINO, 1902. 
' Phenacodontidx Corr, 1881. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Asmithwoodwardia AMEGHINO, 1901... Asmithwoodwardia subtrigona, Patagonia. 
Cephanodus AMEGHINO, 1902. -.--.-.-- Didolodus colligatus, Patagonia. 
Decaconus AMEGHINO, 1901 ......... Decaconus intricatus, Patagonia. 
Didolodus AMEGHINO, 1897 ......... Didolodus multicuspis, Patagonia. 
Distylophorus AMEGHINO, 1902 ...... New name for Stylophorus Roth, 1901. 
HHGtoCioTn COPE S822 a= see SS Oligotomus osbornianus, Big Horn River, Wyo. 
Enneoconus AMEGHINO, 1901........ Enneoconus parvidens, Patagonia. 
HON US NUARSHepI S942. cc. erem Eohyus distans, Coryphodon beds, New Mexico. 
Ernestokokenia AMEGHINO, 1901..... Ernestokokenia nitida, E. marginata, Patagonia. 
Euprotogonia Corr, 1893 ........... New name for Protogonia Cope, 1881. 
Lambdoconus AMEGHINO, 1897 ...... Lambdoconus suinus, Patagonia. 
Lonchoconus AMEGHINO, 1901 ....... Lonchoconus lanceolatus, Patagonia. 
Megacrodon Rots, 1899 ............ Megacrodon prolixus, M. planus, Patagonia. 
Nephacodus AMEGHINO, 1902........ Nephacodus latigonus, Patagonia. 
ERE ACOQUS COREG Osan EE Phenacodus primevus, Evanston, Wyoming. 
Plesiphenacodus Lemoine, 1896...... Plesiphenacodus remensis, Reims, France. 
Polyacrodon Rota, 1899............ Polycrodon lanciformis, P. ligatus, Patagonia. 
? Prostylophorus Rorn, 1901 ........ Prostylophorus margeriei, Patagonia. 
{ Protogonia Corr, 1881 ............ Protogonia subquadrata (= Phenacodus puercen- 
sis), New Mexico. (See Tetraclenodon and 
EHuprotogonia. ) 
Protogonodon Scott, 1892.....------ Mioclenus pentacus, New Mexico. 
Selenoconus AMEGHINO, 1901........ Selenoconus centralis, S. senex, S. agilis, Patagonia. 
dStylophorus Roru, 1901 -....-.-...- Stylophorus alouatinus, Patagonia. (See Disty- 
lophorus. ) 
Tetraclenodon Scorr, 1892 ....-..--- Mioclenus floverianus (= Phenacodus puercensis), 
New Mexico. 
Trispondylus Corr, 1884.......----- Hyracotherium vortmanni, Wind River, Wyo. 
PLEURASPIDOTHERIIDZE. 
Pleuraspidotheridae ZyrrEL, 1892. 
Name, authority, and date. Type or included species, and localities. 
Orthaspitherium LEMOINE, 1885...... Orthaspitherium edwardsii, Reims, France. 
** Pleuraspidotheriwm LEMOINE, 1878". Pleuraspidotherium aumonieri, P. delessei, Reims, 
France. 
INCERTZE SEDIS. 
Archungulatum H AECKEL, 1895. ..... Hypothetical ancestor of the Condylarthra, 
from the Lower Eocene. 
