GLYPHIOCEEAS (BEYRICHOCERAS) OBTUSUM. L63 



Sub-genus Beyebghocebas, 1 sub-gen. nov. 

 Glyphioceeas (Beybichoceeas) obtusum, J. Phillips. Plate XLII, figs. 7 — 9. 



1813. Ellipsolites ovatus, J. Sowerby. Min. Conch., vol. i, p. 83, pi. xxxvii 



(imperfectly defined). 

 1822. Nautellipsites ovatus, J. Parkinson. Introd. Foss. Org. Rem., pp. 164 



and 233. 

 1825. Goniatites ovatus, G. de Hann. Monogr. Amnion, et Goni.it., p. 148. 

 1829. Globites ovatus, F. Holl. Handb. der Petrefactenkunde, p. 226. 

 183G. Goniatites obtusus, J. Phillips. Geology of Yorkshire, pt. 2, p. 234, 



pi. xix, figs. 10, 11, ? 13 (not fig. 12 = 

 Gltphioceras Phillipsi, Foord and 

 Crick, Cat. Foss. Ceph. British 

 Museum, 1897, p. 172). 

 1838-45. Nautilus ovatus, L. Agassiz. In Desor's translation of Sowerby's Mineral 



Conchology, vol. i, pp. 27 and G5, 

 pi. xxxvii. 



1843. Goniatites obtusus, J. Morris. Cat. Brit, Foss., p. 180. 



1844. — F. M'Coy. Synops. Carb. Foss. Ireland, p. 15. 



1848. J. II. dimming . Isle of Man, p. 357. 



(pars), H. G. Bronn. Gesch. der Natur, vol. iii, p. 543. 



1849. T. Brown. Illustr. Foss. Conch, of Great, Britain 



and Ireland, p. 28, pi. xxi, figs. 11, 12. 



1850. Aganides obtusus, A. d'Orbigny. Prod, der Tak-ont, stratigr., vol. i, p. 115. 

 1852. Ammonites sphtericus (pars), C. G. Gicbel. Fauna der Vorwelt, vol. iii, 



p. 471. 

 1854. Goniatites obtusus, /. Morris. Cat. Brit. Foss., 2nd ed., p. 304. 

 1855-57. — /. Kelly. Journ. Geol. Soc. Dublin, vol. vii, p. 7. 



1878. — G. A. Lebour. Geology of Northumberland, p. 67. 



1880. — L. G. de Koninck. Faune Calc. Carb. Belgique (Ann. 



Mus. Roy. d'Hist. Nat. Belgique, scr. 

 Pak'ont., torn, v), pt, 2, p. 104, 

 pi. xlvi, fig. 3; pi. xlvii, fig. 10. 

 1883. — L. G. de Koninck. Bull. Mus. Roy. d'Hist. Nat. 



Belg., torn, ii, p. 263. 

 Glyphioceeas obtusum, A. Hyatt. Proceed. Boston Soc. Nat. Hist,, 



vol. xxii, p. 329. 

 1888. Goniatites obtusus, B. Etheridge. Brit. Foss., vol. i, Palaeozoic, p. 312. 

 1897. Gltphioceras obtusum, A. II. Foord and G. C. Crick. Cat, Foss. Ceph. 



British Museum, pt. 3, p. 169, fig. 79 

 (suture-line). 

 1899. Goniatites obtusus, James Spencer. Proceed. Yorkshire Geol. and Poly- 

 tech. Soc, new scr., vol. xiii, p. 391. 



1 For definition of this sub-genus see Appendix, p. 219. 



