GLYPHIOCERAS (BEYRICIIOCERAS) OBTUSUM. lOM 



i<nJi-<jnniK Bi:yi!I('Iioci:i;as,' sub-gen. nov. 

 GiATnioCKRAS (Beyeiciiocek'as) oHTisiM, J. PhiUijis. Plate XLII, figs. 7 — 9. 



1813. Ellipsolites ovatus, /. Sowcrhy. Min. Conch., vol. i, p. 83, pi. xxxvii 



(imperfectly defined). 



1822. Nautellipsites ovatus, J. Farlcinson. Introd. Foss. Org. Rem., pp. 1C4 



and 233. 



1825. GoNiATiTEs OVATUS, G. de Hann. Monogr. Animon. ct Goniat., p. 148. 



1829. Globites ovatus, F. HoU. Hiindb. der Petrefactenkundc, p. 22G. 



183G. Goniatites obtusus, /. Plnllipi!. Geology of Yorkshire, pt. 2, p. 234, 



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

 Glyphioceras Phillipsi, Foord and 

 Crick, Cat. Poss. Ceph. British 

 Museum, 1897, p. 172). 

 1838-4.5. Nautilus ovatus, L. Agassiz. In Desor's translation of Sowerby's Mineral 



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

 pi. xxxvii. 



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



1844. — — F. M'Coy. Synops. Carb. Foss. Ireland, p. 1.5. 

 1848. — — J. n. Gumming. Isle of Man, p. 3.57. 



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

 18t9. — — T. Brown. lUustr. Foss. Conch, of Great Britain 



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

 1850. Aganides obtusus, j4. (Z'Orfcif/ni/. Prod, der Pak'ont.stratigr., vol. i, ]>. 115. 

 1852. Ammonites spHvEeiciis (pars), C. G. Giehel. Fauna dor Vorwelt, vol. iii, 



p. 471. 

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

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



1878. — — G. A. Lebour. Geology of Northumberland, p. (>7. 



1880. — — L. G. dc Koninci. Faune Cale. 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 Koninci: Bull. Mus. Roy. d'Hist. Nat. 



Belg., torn, ii, p. 2G3. 



— GLTpniocEEAS OBTUSUM, A. Hyatt. Proceed. Boston Soc. Nat. Hist., 



vol. xxii, p. 329. 

 1888. Goniatites obtusus, R. Ftheridge. Brit. Foss., vol. i, Paloeozoie, p. 312. 

 1897. Glyphiocekas obtusum, A. H. Foord and G. C. Crick. Cat. Foss. Ceph. 



British Museum, pt. 3, p. 1G9, fig. 79 

 (suture-line). 

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

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



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



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