484 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



CAULODON Cope. Type C. diversidens Cope. 



Cope, E. D. 1877 F, p. 193. 



Nicholson and Lydekker, 1889 A, p. 1176. 



Zittel, K. A. 1890 A, p. 711. 



The position of this genus is doubtful. 



Caulodon diversidens Cope. 

 Cope, E. D. 1877 F, p. 193. 

 1878 I, p. 247. 



Osborn, H. F. 1898 J, p. 227. 

 Jurassic; Colorado. 



Caulodon leptoganus Cope. 

 Cope, E. D. 1878 I, p. 247. 

 Jurassic; Colorado. 



SYMPHYROPHUS Cope. Type S. musculosus Cope. 



Cope, E. D. 1878 I, p. 246. 



1878 H, p. 391. 



1878 M, p. 84. 

 Zittel, K. A. 1890 A, p. 726. 



A genus of doubtful position. 



Symphyrophus musculosus Cope. 

 Cope, E. D. 1878 I, p. 246. 



1878 H, p. 391. 



Osborn, H. F. 1898 J, D. 227. 



Jurassic; Colorado. 



ASTRODON Johnston. Type A. johnstoni Leidy. 



Johnston, C., in Leidy, J. 1865 A, p. 102. 



1859 A, p. 341. (Name; no description.) 

 Marsh, O. C. 1896 C, p. 242. 



1898 C, p. 488. 

 Zittel, K. A. 1890 A, p. 717. 



A genus of uncertain affinities. 



Astrodon johnstoni Leidy. 



LiMy, J. 1865 A, pp. 102, 119, pi. xiii, figs. 20-23; 



pi. xx, fig. 10. 



Bibbins, A. 1895 A, p. 19, fig. H. (This species?) 

 Cope, E. D. 1869 M, p. 99. 

 Marsh, O. C. 18% C, p. 164, text fig. 6. 

 Jurassic (Potomac); Maryland. 



ATLANTOSAURID^E. 



Marsh, 0. C. 1877 G, p. 514. 



Cope, E. D. 1877 R, p. 3. (Camarasauridae, Amphi- 

 cceliidse.) 



1878 1, p. 243. (Camarasauridae, Amphicceli- 

 idse.) 



1883 J, p. 99. (Camarasauridae.) 



1898 B, p. 68. (Cetiosauridae.) 

 Giinther, A. 1886 A, p. 443. 

 Lydekker, R. 1888 B, p. 143. 

 Marsh, O. C. 1878 B, p. 240. 



1882 A, p. 83. 



1883 A, pp. 82, 85. 



Marsh, O. C. 1884 A, p. 167. 

 1885 D. 



1895 C, p. 495. 



1896 C, pp. 166, 241. 



1896 D, p. 208. 



1897 C, p. 494. 



1898 C, p. 487. 



Nicholson and Lydekker 1889 A, p. 1173. 

 Steinmann and Doderlein 1890 A, p. 662. 

 Zittel, K. A. 1890 A, p. 705. 



ATLANTOSAURUS Marsh. Type Titanosaurus rnontanus Marsh. 



Marsh, O. C. 1877 G, p. 514. (To replace Titano- 



saurus Marsh, preoccupied.) 

 Cope, E. D. 1878 I, p. 237. 

 Giebel, C. G. 1879 A, p. 318. 

 Hulke, J. W. 1879 A. 

 Lydekker, R. 1888 B, p. 144. 

 Marsh, O. C. 1877 C. (Titanosaurus, type T. 



montanus. ) 



1877 E. 



1878 G, p. 224. 



1879B, p. 88, pis. vi,vii. 



1895 C, p. 495. 



18% C, p. 166. 



1897 C, p. 485. 



Nicholson and Lydekker 1889 A, p. 1173. 

 Osborn, H. F. 1898 J, p. 219 et seq. 

 Steinmann and Doderlein 1890 A, p. 662. 

 Zittel, K. A. 1890 A, p. 705. 



Atlantosaurus immanis Marsh. 

 Marsh, 0. C. 1878 B, p. 241. 



Barbour, E. H. 1890 B, p. 392, figs. 3, 4. 

 King, C. 1878 A, p. 346. 

 Lydekker, R. 1888 B, p. 145. 

 Marsh, O. C. 1879 B, p. 89, pi. vii. 



18% C, p. 166, pi. xvi. 



1897 C, pp. 488,526, figs. 34-35a. 

 Nicholson and Lydekker 1889 A, p. 1174. 

 Jurassic; Wyoming, Colorado. 



Atlantosaurus montanus Marsh. 



Marsh, O. C. 1877 C. (Titanosaurus.) 

 Cope, E. D. 1877 Q, p. 6. (No name.) 



1878 I, p. 237. (Titanosaurus. ) 

 King, C. 1878 A, p. 346. 



Marsh, O. C. 1877 E. 



1879 B, p. 88, pi. vi, 



18% C, p. 166, pi. xv; pi. xvii, fig. 1. 

 1897 C, p. 487, fig. 33. 

 Osborn, H. F. 1898 J, p. 228, fig. 7 B. 

 Williston, S. W. 1878 A, p. 43. (Titanosaurus.) 

 Jurassic; Colorado. 



