860 Asthenodon, Stylacodon, Odontocyrtus, Stagodon, Thlaeodon, Ampliilestes. 
1847. f Asthenodon, Marsh, 1887. 
Marsh, Amer. Journ. Sc., t. 33, 1887, p. 336. 
9266. f segnis, Marsh — (713 6'). fJurass. Wyoming. 
1848. f Stylacodon, Marsh, 1879. 
Marsh, Amer. Journ. Sc., t. 18, 1879, p. 60. 
9267. -j- gracilis, Marsh — (7 137). fJurass. Wyoming. 
9268. f validus, Marsh — (7138). fJurass. Wyoming. 
1849. f Odontocyrtus, nom. nov. 
Kurtodon, Osborn, 1887 (nec Curtodus, Sauvage, 1867). 
Osborn, Amer. Natural., 1887, p. 1020. 
9269. f pusillus, Owen — (7139). fJurass. Sup. 
I. Britannia. 
Familia XV. f Stagodontidae. 
1850. f Stagodon, Marsh, 1889. 
Marsh, Amer. Journ. Sc.. t. 38, 1889, p. 178. 
9270. f nitor, Marsh, 1. c., 1889, p. 178. pl. 7, f Cretae. Wyoming. 
f. 22- -25. 
9271. f tumidus, Marsh, 1. c., 1889, p. 178, pl. 7, f Cretae. Wyoming. 
f. 17—21. 
1851. f Thlaeodon, Cope, 1892. 
Cope, Amer. Natural., 1892. p. 758. 
9272. f paslanicus, Cope — (7218). 4 Cretae. Wyoming. 
0 
Familia XVI. Triconodontidae. 
1852. f Ampliilestes, Owen, 1859. 
Owen, Encycl. Britann. 8 a Ed., t. 17, 1859, p. 157. 
9273. f broderipi, Oweu — (7141). fJurass. ini'. 
I. Britannia. 
') Le Gronro Platacodon, Marsh, 1889, est considere par Hatcher (Science. 
1900, p. 719), comme appartenant aux Pisees. 
