490 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



Antrodemus valens Leidy. 



Leitly, J. 1870 E, p. 3. [Poicilopleuron (Antro- 

 demus).] 



Leidy, J. 1873 B, pp. 267,338 (Poicilopleuron); pi. 

 xv, figs. 16-18 (Antrodemus). 



Marsh, O. C. 1884 B, p. 333, pi. ix. (Labrosaurus 

 ferox.) 



Marsh, O. C. 1896 C, p. 163 (Allosaurus); pi. xili, 



figs. 2-4 (Labrosaurus ferox). 

 Walcott, C. D. 1900 A, p. 23. (Labrosaurus ferox.) 

 Zittel, K. A. 1890 A, p. 724. (Megalosaurus.) 

 Jurassic; Colorado. 



PARONYCHODON Cope. Type P. lacustris Cope. 



Cope, E. D. 1876 H, p. 256. 



1876 I, p. 345. 



Osborn, H. F. 1893 B, p. 320. (Syn.? of Menis- 

 coessus. ) 

 The position of this genus is very doubtful. 



Paronychodon lacustris Cope. 

 Cope, E. D. 1876 H, p. 256. 



1876 I, p. 350. 



1877 G, p. 572. 



Cretaceous (Laramie); Montana. 



ZAPSALIS Cope. Type Z. abradens Cope. 



Cope, E. D. 1876 I, p. 344. 



A genus of doubtful position. 



PALjEOCTONUS Cope. 



Cope, E. J). 1877 E, p. 182. 



1893 A, p. 15. 

 A genus of uncertain position. 



Palseoctonus appalachianus Cope. 

 Cope, E. D. 1877 E, p. 182. 



1877 X. 



1878 FF. 



1893 A, p. 15, pi. ii, figs. 2, 3. 

 Triassic; Pennsylvania. 



Zapsalis abradens Cope. 

 Cope, E, D. 1876 I, p. 345 



1877 G, p. 572. 

 Cretaceous (Laramie); Montana. 



Type P. appalachianus Cope. 



Palseoctonus dumblianus Cope. 

 Cope, E. D. 1893 A, p. 16, pi. ii, figs. 5, 6. 

 Triassic; Texas. 



Palseoctonus orthodon Cope. 

 Cope, E. D. 1893 A, p. 15, pi. ii, fig. 1. 

 Triassic; Texas. 



SUCHOPRION Cope. Type S. cyphodon Cope. 



Cope, E. D. 1877 E, p. 185. 



A genus of uncertain position. 



Suchoprion aulacodus Cope. 

 Cope, E. D. 1878 E, p. 184. (Palfeoctonus.) 



1878 D, p. 232. 

 Triassic; Pennsylvania. 



Suchoprion cyphodon Cope. 

 Cope, E. D. 1877 E, p. 185. 



1878 FF. 

 Triassic; Pennsylvania. 



Suchoprion sulcidens Cope. 

 Cope, E. D. 1878 FF. (No description). 

 Triassic; Pennsylvania. 



TROODON Leidy. Type T. formosus Leidy. 



Leidy, J. 1856 F, p. 72. 

 Cope, E. D. 1869 M, p. 1TO. 

 Leidy, J. 1856 C, p. 119. 



1860 A, p. 147. 

 Zittel, K. A. 1890 A, p. 727. 



A genus of doubtful position. 



TroOdon formosus Leidy. 



Leidy, J. 1856 F, p. 72. 



Cope, E. D. 1869 M, p. 120. 



1874 C, p. 26. 



1875 E, p. 248. 

 1877 G, p. 572. 



Leidy, J. 1856 C, p. 119. 



1860 A, p. 147, pi. ix, figs. 53-55. 

 Cretaceous (Laramie); Montana. 



ZATOMUS Cope. Type Z. sarcopi^gut Cope. 



Cope, E. D. 1871 M, p. 211 



1875V, p. 35. 

 The position of this genus is doubtful. 



Zatomus sarcophagus Cope. 

 Cope, E. D. 1871 M, p. 211. 



1875 V, p. 35. 



Emmons, E. 1857 A, p. 62, fig. 34. (No name). 

 Mesozoic; North Carolina. 



