300 



FOSSIL VERTEBBATA OF NORTH AMERICA. 



[BULL. 179. 



Superfamily HEXANCHOIDEA, 1 nom. nov. 



Gill, T. 1882, Jordan & Gilbert's Synop. Fishes 

 N. A., p. 967. (Opisthrarthri. ) 



1884 B, p. 346. (Opisarthri.) 



1893 A, p. 129. (Opistharthri.) 

 Hasse, C. 1878 A. (Palaeonotidani.) 



1879 A, p. 36. (Diplospondyli.) 



Haswell, W. A. 1884 A, p. 112. (Palaeoselachii.) 

 Jordan & Evermann 1896 A, p. 17. (Diplospon- 

 dyli.) 



Koken, E. 1889 A, p. 90. (Opisarthri.) 

 Osborn, H. F. 1899 I, p. 158. (Notidani.) 

 Woodward, A. S. 1889 D, p. ix. (" Opisthrarthri.") 



HEXANCHID.E. 



GUI, T., 1886, Report Smithsonian Inst. for 1884, p. 

 618. 



The following authors, unless otherwise in- 

 dicated, refer to this group under the name 

 Notidanidx: 



Brown, C. 1900 A, pp. 169, 174. 

 Dumeril, A. 1865 A, p. 430. (Notadani.) 

 Fritsch, A. 1895 A, p. 46. 

 Gadow, H. 1889 A. (Heptanchus.) 

 Gegenbaur, C. 1865 B. 

 1872 A. 

 1872 B. 



Gill, T. 1893 A, p. 129. (Hexanchidse.) 

 Gunther, A. 1870 A, pp. 355, 397. 



1880 A, p. 324. 



1881 A, p. 685. 



Hasse, C. 1879 A, p. 35. 



1882 A, p. 37. 



Haswell, W. A. 1884 A, p. 112. 

 Jaekel, O. 1894 A. 



Kolliker, A. 1863 A, p. 1. (Hexanchus.) 

 Miiller and Henle 1841 A, p. 80. 

 Noetling, F. 1885 A, p. 16. 

 Reis, O. M. 1897 A, pp. 69, 86. 

 Sagemehl, M. 1883 A, p. 227. 

 Semon, R. 1899 A, p. 76. 

 Stannius, H. 1854 A. (Notidani.) 

 Steinmann and Doderlein 1890 A, p. 547. 

 White, P. J. 1895 A. 

 Woodward, A. S. 1889 D, p. 157. 

 Zittel, K. A. 1890 A, p. 65. 



HEPTRANCHIAS Rafinesque. Type Squalus cinereus Gmelin. 



Raflnesque, C. S. 1810, Caratteri di alcuni nuovi 



generi, p. 13. 

 Unless indicated otherwise, the following 



authors refer to this genus and Hexanchus 



under the name Nolidanus. 

 Agassiz, L. 1843 B, iii, pp. 216,308. 

 Brown, C. 1900 A. 



Cuvier, G. 1817, Regne Anim, Ed. 1, p. 128. 

 Dumeril, A. 1865 A, p. 432. (Heptanchus.) 

 Gegenbaur, C. 1872 A, pi. i, figs 1,2; pi. iii, figs. 



6,7; pi. iv, figs. 1,2; pi. vii, figs. 1,2; pi. x; pi. 



xv, figs. 1, 2; pi. xvi, fig. 3; pi. xviii; pi. xx, figs. 



2, 3, 5, 6, 8; pi. xxi, fig. 5. (Heptanchus and 



Hexanchus. ) 



1872 B. (Hexanchus, Heptanchus.) 

 Gibbes, R. W. 1849 A, p. 195. 

 Gunther, A. 1870 A, p. 397. 



1880 A, p. 325. 

 Hasse, C. 1882 A, p. 39, pi. vi (Hexanchus); p. 44. 



pi. vi.vii (Heptanchus). 



Haswell, W. A. 1884 A, pp. 73, 88. (Heptanchus.) 

 Hubrecht, A. A. W. 1878 A. 

 Huxley, T. H. 1876 A. 

 Kolliker, A. 1860 B. (Heptanchus.) 

 Lawley, R. 1875 A. 



Mayer, P. 1886 A, p. 263. (Heptanchus.) 

 Mivart, St. G. 1879 A, p. 443, pi. Ixxv, fig. 2. 

 Miiller and Henle, 1841, p. 80 (Hexanchus); p. 81 



(Heptanchus). 

 Parker, T. J. 1890 A. 

 Pedroni, P. M. 1844 A, p. 281. 

 Pictet, F. J. 1854 A, p. 243. 

 Probst, J. 1879 A, p. 156. 



Quenstedt, F. A. 1885 A, p. 262. 



Rafinesque, C. S., 1810, Caratteri di alcuni nuovi 



generi, p. 14. (Hexanchus.) 

 Reis, O. M. 1897 A, p. 69. 

 Stannius, H. 1854 A. 

 Woodward, A. S. 1886 C. 



1889 D, p. 157. 



1892 G, figs. 9-12. 



1899 A, p. 6. 

 Zittel, K. A. 1890 A, p. 66. 



Heptranchias ? plectrodon (Cope). 

 Cope, E. D. 1867 C, p. 141. (Notidanus.) 

 Tertiary; Maryland. 



Heptranchias ? primig'enius( Agassiz) . 

 Agassis, L. 1843 B, iii, p. 218, pi. xxvii, figs. 6-8, 



13-17; doubtfully figs. 4, 5. (Notidanus.) 

 The following authors refer this species to the 



genus Notidanus. 

 Agassiz, L. 1843 B, p. 220, pi. xxvii, figs. 9-12. 



(N. recurvus.) 



Bassani, F. 1899 A, p. 25, pi. ii, figs. 13-15. 

 Cope, E. D. 1867 C, p. 141. 

 1875 H, p. 362. 

 1875 V, p. 29. 



Dana, J. D. 1896 A, p. 901, fig. 1515. 

 Davis, J. W. 1888 A, p. 33, pi. vi, fig. 6. 

 Gibbes, R. W. 1849 A, p. 195, pi. xxv, fig. 95. 

 Lawley, R. 1875 A, p. 20, pi. i, figs. 1-5. 

 Leidy, J. 1877 A, p. 254. 

 Noetling, F. 1885 A, p. 17, pi. i, figs. 4,5. 

 Pedroni, P. M. 1844 A, p. 281, pi. i, figs. 10,11. 



iThis name is proposed simply for the purpose of conforming to the rule, adopted by many zoolo-, 

 gists, of deriving the superfamily name from the name of a typical family by changing the termina- 

 tion id:i into oidea. 



