Ectogonus, Didolophus. Lanibdaconus. Plesiphenacodus, Protogonodon. 723 



873. fEctogolius, Cope, 1884. 



Conoryctes, p., Cope, 1884. 



4476. iditrigonus. Cope, Amer. Natur., 1884, fEocaen. infer. 



p. 795. fig. p. 796: Tert. Vert.. p. 404. Nov.-Mexico. 



pl. 33 g et 39 d ; Trans. Am. Phil. Soc, 1888, 

 p. 356: Osb. et Earle, Bull. Am. Mus., 

 1895, p. 56. 



comma, p.. Cope (Conoryctes), 1881. » 



Familia III. tPhenacoclontidae. 



874. tDidolophus, Ameghino, 1897. 



4477.Tmulticuspis, Amegh., Bol. del Inst. Geogr. fCretac. super. 



Arg.. 1897. sep., p. 33, fig. 22, p. 34. Patagonia. 



875. t Larabdaconus, Amegh., 1897. 



447.^.isuinus. Amegh., Bol. del Inst. Geogr. tCretac. super. 



Arg.. 1897, p. 35, fig. 23. Patagonia. 



876. iPlesiphenacodus, Lemoine, 1896. 



PJimacodm, p., Lem. ; ?Conaspi,dotherium, Lem., 1891. 



4479.rremensis, Lem., Bull. Soc. Geol., 1896, tEocaen. infer. 



p. 344. pl.14. fig.2 — 4= Conaspidotheriam Gallia Oriental. 



Ameghivm, Lem., Bull., 1. c, 1891, p. 275, (Reims). 



- fide Ameghino. Bol. Inst. Geogr. Arg., 

 1897, p. 35. notaj. 



877. iProtogonodon, Scott, 1892. 



Mioclaenus, p., Cope, 1888. 



4480. tpentacus, Cope, Trans. Am. Phil. Soc, tEocaen. infer. 



1888, p. 325; Scott, Proc Ac Nat. Sc Nov.-Mexico. 



Phil.. 1892, p. 322; Osb. et Earle, Bull. 

 Am.Mus.. 1895, p. 67, fig. 20, 21; Am. 

 Nat, 1893. p. 377; Matthew, Bull. Am. 

 Mns.. 1897, p. 302. 



4481,-rstenognathus (Cope), Matthew, Bull. Am. tEocaen. infer. 



Mu.s., 1897, p.'302. Nov.-Mexico. 



