414 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



[BULL. 179. 



PTYONIID,E. 



Cope, E. D. 1875 D, p. 357. 



1875 X, p. 11. 



Fritsch, A. 1883 A (1880), p. 127. (Nectridea.) 

 Lydekker, E. 1890 A, p. 196. (Urocordylidee.) 



Miall, L. C. 1875 A, p. 168. (Nectridea.) 

 Nicholson and Lydekker 1889 A, p. 1025. (Uro- 



cordylidse.) 

 Wiedersheim, R. 1878 A, p. 42. 



KERATERPETON Huxley. Type K. galvani Huxley. 



Huxley, T. H. 1867 B, p. 354. 



Andrews, C. W. 1895 A. 



Cope, E. D. 1875 D, p. 371. (Ceraterpeton.) 



Fritsch, A. 1883 A (1879), p. 57: p. 136 (1881). 



Lydekker, R. 1890 A, p. 197. (Ceraterpetum.) 



Maggi, L. 1898 A, fig. 10. 



Miall, L. C. 1875 A, p. 170. 



Miller, S. A. 1889 A, p. 619. (Ceraterpeton.) 



Osborn, H. F. 1898 K, p. 165. (Ceraterpeton.) 



Woodward, A. S. 1898 B, p. 132. 



Zittel, K. A. 1890 A, p. 379. 



Keraterpeton divaricatum Cope. 

 Cope, E. D. 1885 D, p. 406. (Ceraterpeton.) 

 Coal-measures; Ohio. 



Keraterpeton punctolineatum Cope. 

 Cape, E. D. 1875 J. (Ceraterpeton punctolinea- 

 tum.) 



1876 D, p. 372 (C. lineopunctatum) ; pi. xli, 



fig. 4 (C. punctolineatum). 

 Coal-measures; Ohio. 



Keraterpeton tenuicorne Cope. 

 Cope, E. D. 1875 D, p. 372 (Ceraterpeton lennicorne, 

 err. typ.); pi. xlii, fig. 4 (C. recticorne, err. typ.). 

 1885 D, p. 407. (Ceraterpeton tenuicorne.) 

 1897 C, p. 85, pi. iii, fig. 2. (Ceraterpeton.) 

 Osborn, H. F. 1898 K, p. 165. (C. lennicorne.) 

 Coal-measures; Ohio, Pennsylvania. 



OESTOCEPHALUS Cope. Type 0. amphiuminus Cope=0. remex Cope. 



Cope, E. D. 1868- J, p. 218. 

 1869 M, p. 16. 



1871 L v 



1872 JJ. 



1874 L, p. 266. 



1875 D, p. 380. 



Fritsch, A. 1883 A (1879), p. 57. (Syn.? of Urocor- 

 dylus.) 



Huxley, T. H. 1867 B, p. 359, pi. xx, figs. 1, 2. 

 (Urocordylus.) 



Miall, L. C. 1875 A, p. 169. (Syn. of Urocordylus.) 



Miller, S. A. 1889 A, p. 623. 



Newberry, J. S. 1868 A, p. 144. (Urocordylus. ) 



Nicholson and Lydekker 1889 A, p. 1025. (Uro- 

 cordylus.) 



Zittel, K. A. 1890 A, p. 381. 



This genus is probably identical with Uro- 

 cordylus Huxley. 



Oestocephalus rectidens Cope. 



Cope, E. D. 1874 L, p. 268. 



Cope, E. D. 1875 D, p. 386, pi. xxvli, figs. 3, 4. 

 Miall, L. C. 1876 A, p. 170. 

 Miller, S. A. 1889 A, p. 623, fig. 1189; 

 Coal-measures; Ohio. 



Oestocephalus remex Cope. 

 Cope, E. D. 1868 J, p. 217. (Sauropleura. ) 



1868 J, p. 219. (O. amphiuminus.) 



1869 M, pp. ii, 17, fig. 2. 



1871 G, p. 41. (O. remex and O. amphi- 

 uminus.) 

 1871 O. 



1874 L, p. 268. 



1875 D, pp. 366, 381, pi. xxvii, fig. 5?; pi. xxxi, 

 fig. 1; pi. xxxii, fig. 1; pi. xxxiii, fig. 2; 

 pi. xxxiv, fig. 4?. 



Fritsch, A. 1883 A (1881), p. 128, fig. 72. 

 Miall, L. C. 1875 A, p. 170. 

 Coal-measures; Ohio. 



PTYONIUS Cope. Type not designated. 



Cope, E. D. 1874 L, p. 264. 



1875 D, p. 373. 



Fritsch, A. 1883 A. (1879); p. 57. (Syn.? of Urocordy- 

 lus.) 



Miall, L. C. 1875 A, p. 169. (Syn. of Urocordylus.) 

 Miller, S. A. 1889 A, p. 625. 

 Zittel, K. A. 1890 A, p. 381. 



This genus is probably identical with Uro- 

 cordylus Huxley. 



Ptyonius marsh.il Cope. 

 Cope, E. D. 1869 M, p. 24. (Colosteus.) 

 1871 L, p. 177. (Oestocephalus.) 



1874 L, p. 265. 



1875 D, p. 375, pi. xxvii, fig. 6; pi. xxvii, figs. 

 2a,3. 



Lesley, J. P. 1889 A, p. 841, figure. 

 Miall, L. C. 1875 A, p. 170. 

 Coal-measures; Ohio. 



Ptyonius nummifer Cope. 

 Cope, E. D, 1875 D, p. 374, pi. xli, figs. 2,3. 

 Lesley, J. P. 1889 A, p. 842, figures. 

 Coal-measures; Ohio. 



Ptyonius pectinatus Cope. 

 Cope, E. D. 1868 J, p. 216. (Sauropleura.) 

 1869 M, p. 20. (Oestocephalus.) 



1874 L, p. 266. 



1875 D, p. 377, pi. xxvii, fig. 7; pi. xxviii, figs. 

 2,4,6; pi. xxix, fig. 2; pi. xxx, fig. 2; pi. 

 xxxv, figs. 1-3; pi. xli, fig. 1. 



