Ectoconod., Synconod., Protolambda, Pleuraspid., Orthaspid., Mioelaenus. 569 
979. fEctoconodon, Osborn, 1898. 
Osborn, Bull. Amer. Mus., 1898, p. 171. 
5876. j petersoni. Osborn — (4406°). f Cretae. America 
Sept. Wyoming 
(Laramie). 
980. f Synconodon, Osborn, 1898. 
Osborn, Bull. Am. Mus., 1898, p. 171. 
5877. f sexcuspis. Osborn — ( 4406 B ). f Cretae. Wyoming. 
981. f Protolambda, Osborn, 1898. 
Osborn, Bull. Am. Mus., 1898. p. 172. 
5878. -j-hatcheri, Osborn — ( 4406 D ). f Cretae, Wyoming. 
Familia II. f Pleuraspidotheridae. 
982. f Pleuraspidotheriuna, Lemoiuc, 1878. 
Lemoine, Bull. Soe. Hist. Nat. de Eeims, 1878, p. 104. 
5879. f aumonieri. Lemoiue — (4504)- Pavlow, fEocaen. infer. 
Bull. Nat. Moscou, 1900, p. 37, pl. 6, f. 19. Gallia Or. 
5880. f delessei, Lemoine — (4505). fEocaen. Gallia, 
5881. f remense, Lemoine — (4506). fEocaen. Gallia. 
983. f Orthaspidotlierium, Lemoine, 1885. 
Lemoine, Bull. Soe. Geol. de France, 1885, p. 205. 
5882. f edwardsi, Lemoine — (4507); Pavlow, fEocaen. mf. Gallia. 
1. c., 1900, p. 38. 
Familia III. f Mioclaenidae. 
984. f Mioelaenus, Cope, 1881; emend., Osb. et Earle, 1895. 
Hemithlaeus, p. et Oxyclaenus, Cope, 1885; JJeltatherium, p. 
et Hyopsodns, p., Cope, 1882; Sarcothraustes, Cope, 1885; 
Conoryctes, Cope, 1885; Protogonodon, p., Scott, 1892. 
5883. f turgidus, Cope — (4457). fEocaen. infer. 
Novo-Mexico. 
