PALEOZOIC. 



CEPHALOPODA. 



PERMIAN. 



LOWER 

 GBOTJP. 



T/PPEB 

 QEOUP. 



SPECIES. 



Nautilus (continued). 



— Frieslebeni Geinitz 





til 



REFERENCES. 



Leonhard and Bronn, Neues Jahrbuch, p. 637, t. II, f . I ; ib. Verstein. d. deutsch. 

 Zechst. p. 6, t. 3, f . 7. N. Frieslebeni, Howse, Trans. Tyneside Nat. Field Club, 

 vol. i, pt. 3, p. 237, 1848; ib. Ann. Mag. Nat. Hist, vol.xix, p. 38, t. 4, f. 26; ib. 

 Notes on tbe Perm. Syst. Nortbum. and Durham, p. 51, t. I, f. 26. N. Frieslebeni 

 and N. Bowerbankianus, King, Mono. Brit. Perm. Fobs. Pal. Soc. p. 219, 220, 

 t. 17, f. 13-20. N. Frieslebeni, Geinitz, Dyas. Zechst. und das Rotb. p. 42, t. II, 

 f. 7; ib. Howse, Ann. Mag. Nat. Hist. 1859, vol. xix, p. 471, t. 4, f. 26. 



PISCES. 



SPECIES. 



Sub-Kingdom, VERTEBRATA. 

 ICHTHYOPSIDIA. 



Class, PISCES. 



Saitboidei. 



Acrolepis Agassiz, 1833 



— Sedgwickii Ag 



Cjeiacasthini. 



Cselacanthus Agassiz, 1836 



— caudalis Egert 



granulosus Ag.. 



Ptcnodontid* ? 



Dorypterus Oermar, 1842 



— Hoffmannii Oermar 



Pycnodontidje. 

 Eurysomus Young, 1866.. 



Cestbaciontid*. 

 Gyracanthus Agassiz, 1837 



— formosus? Ag , 



Cestbaciontid.e. 

 Gyropristis Agassiz, 1843 



— obliquus Ag 



REFERENCES. 



Poiss. Foss. vol. ii, pt. 2, p. 80, 81, t. 52; ib. Egerton, King, Mono. Brit. Perm. 

 Foss. Pal. Soc. p. 234, t. 25, f. 1 a, b, c; ib. Geinitz, Dyas. Zechst. und das Roth, 

 p. 13; ib. Kirkby, Ann. Mag. Nat. Hist. 3 ser. vol. ix, p. 269. Vide Kirkby, 

 Q. J. Geol. Soc. vol. xx, 1864, p. 350; ib. Nat. Hist. Trans. Northumb. and Dur- 

 ham, vol. i, p. 72, 1865. 



King, Mono. Brit. Perm. Foss. Pal. Soc. p. 236, t. 28, f. 2; ib. Geinitz, Dyas. Zechst. 

 und das Roth. p. 8. Huxley, Mem. Geol. Soc. Dec. XII, p. 21, t. 5, f. 5, 1866. 



Poiss. Foss. vol. ii, pt. 2, p. 172, 173, t. 62, 1839. C. granulatus, Egerton, King, 

 Mono. Brit. Perm. Foss. Pal. Soc. p. 235, t. 28*. Huxley, Mem. Geol. Soc. Dec. 

 XII, p. 12, 1866. (Note.) 



Munst. Beitrage zur Petrefac. vol. v, p. 35, 37, t. 14, f. 4; ib. Hancock and Howse, 

 Q. J. Geol. Soc. vol. xxvi, p. 623, t. 42, 43. 



Vide Platysomus. 



Poiss. Foss. vol. iii, p. 17, t. 5, f. 4, 8. King, Mono. Brit. Perm. Foss. Pal. Soc. 

 p. 221. 



Poiss. Foss. vol. iii, p. 177. De Verneuil, Bull. Soc. Geol. de France, 2 ser. vol. 

 p. 38. King, Mono. Brit. Perm. Foss. Pal. Soc. p. 222. 



373 



