PART III: MARSUPIALIA, PHASCOLOMYIDJE—TRICONODONTID4E. 887 
Name, authority, and date. Type or included species, and localities. 
asiorhinus\ GRAY, [863.225 -24..-2.- Lasiorhinus m’coyi (= Phascolomys latifrons), 
South Australia. 
Phascolomis GEorFROv, 1803 ...7.... Didelphis ursina, Tasmania. 
"IPhascolonus.OWEN; 1872. ------..:.. Phascolomys ( Phascolonus) gigas, Queensland. 
Sceparnodon RAMSAY, 1881 ......... Sceparnodon ramsayi (1884), eastern Australia. 
Vombatus GEOFFROYv, 1803.......... Didelphis ursinafgTasmania: (See Phascolomis. ) 
Wombatus TIEDEMANN, 1808........ Emendation of Vombatus Geoffroy, 1803. 
PROTHYLACYNIDZE. (See BORHYAENIDZE.) 
SPALACOTHERIIDZE. (See TRICONODONTIDZE.) 
STAGODONTIDZE. 
FAMILIES AND SUBFAMILIES. 
Stagodontid:x M ARsH, 1889. Thixodontide Corr, 1892. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Platacodon MarsH, 1889 ........... Platacodon nanus, Wyoming. 
Stagodon Mansg, 1889 ...-......... Stagodon nitor (type), S. tumidus, Wyoming. 
do hixodonXOoOPRAG922 eee Thleodon padanicus, Wyoming. 
TRICONODONTIDZE. 
FAMILIES AND SUBFAMILIES. 
Amphilestine Scorr, 1888. Phascolotheridx OsBorn, November, 1887. 
Amphilestidzee WINGE, 1895. Spalacotheriide Marsu, April, 1887. 
Dicrocynodontide OsBorn, 1888. Tinodontide Marsu, 1879. 
t Diplocynodontide Marsa, April, 1887. Triconodontide Marsu, April, 1887. 
Peralestide Osporn, November, 1887. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Amphilestes OWEN, 1859 ............ Amphitherium broderipii, Stonestield, England. 
Argyrolestes AMEGHINO, 1902 ....... Argyrolestes peralestinus, Patagonia. 
Dicrocynodon (Mars) OsBonN, 1888. New name for Diplocynodon Marsh, 1880. 
+ Diplocynodon Marsn, 1880-..----- Diplocynodon victor, Atlantosaurus beds, Wy- 
oming. (See Dicrocynodon. ) 
Docodon MarsH, 1881.............. Docodon striatus, Atlantosaurus beds, Wyoming. 
Ennacodon Marsu, 1890 ........... New name for Hnneodon Marsh, 1887. 
T-Enneodon M. AnsH, 1887 ........... Enneodon erassus (type), E. affinis, Atlantosaurus 
beds, Wyoming. (See Mnnacodon. ) 
Menacodon M AnsH, 1887 ........... Menacodon rarus, Wyoming. 
Nemolestes AMEGHINO, 1902......... Nemolestes spalacotherinus, Patagonia. 
Penalestes WEN; 1870-2. -5-----+--- Peralestes longirostris, Durdlestone Bay, England. 
Phascolotherium OwEN, 1838 ........ Didelphis bucklandi, Stonesfield, England. 
Priacodon MAnsH, 1887 ............ Tinodon ferox, Atlantosaurus beds, Wyoming. 
Spalacotherium OwEN, 1854......... Spalacotherium tricuspidens, Durdlestone Bay, 
England. 
Tinodon MARSH; 1879. --.-.---.-.-- Tinodon bellus, Atlantosaurus beds, Wyoming. 
Triacanthodon OwEN, 1871 ......... Triacanthodon surrula, Durdlestone Bay, Eng. 
Triconodon OwExN, 1859 .......-...- Triconodon mordax, Durdlestone Bay, England. 
