. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Via. 735âAperture of Uoiiiplioceras. horn.] Shell fusiform or globular with a tapering apex; aperture contracted in the middle; siphuncle moniliform, Bubcentral. Type G. pyriforuie. abruptum. Hall, 1879, Pal. N. Y., vol. 5, pt, 2, p. 339, Ham. Gr. absens, Hall, 1876, (Cyrtoce- ras absens, ) II lust. Devon. Foss., pi. 47, and Pal. N. Y., vol. 5, pt. 2, p. 324, Up. Held, Gr. ajax. Hall, 1879, Pal. N. Y., vol. 5,
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Via. 735âAperture of Uoiiiplioceras. horn.] Shell fusiform or globular with a tapering apex; aperture contracted in the middle; siphuncle moniliform, Bubcentral. Type G. pyriforuie. abruptum. Hall, 1879, Pal. N. Y., vol. 5, pt, 2, p. 339, Ham. Gr. absens, Hall, 1876, (Cyrtoce- ras absens, ) II lust. Devon. Foss., pi. 47, and Pal. N. Y., vol. 5, pt. 2, p. 324, Up. Held, Gr. ajax. Hall, 1879, Pal. N. Y., vol. 5, pt. 2, p, 350, Portage Gr. amphora, Whit- field, 1882, Ann. N. Y. Acad. Sci., vol. 2, p. 207, Up. Held. Gr. beta, Hall. 1862,. Kio. 7Ufi â(Jomphoceras pyriforme. 29 15th Rep. N. Y. Mus. Nat. Hist., p. 72, and Pal, N. Y., vol. 5, pt. 2, p. 326, Up. Held. Gr. brevii>osticum, Whitfield, 1882, Geo. Wis., 'â vol. 4, p. 339, Ham. Gr. camraaruH, Hall, 1879, Pal. N. Y,, vol. 5, ' p. 333, Up. Held. Gr. cassineiise, Whitfield, 1886, Bull. Am. Mus. Nat. Hist., vol, 1, p. 322, Birds- eye Gr, cinciunatiense, S. A, Miller, 1884, Jour, Gin. 8oo. Xat. Hist,, vol. 7, p. 19, Hud, Riv. Gr, clavatum. Hall, 1876, (Cyrtoceras clava- v turn,) lUust, Devon. Foss., pi. 47, Up. Held. Gr. conradi. Hall, 1860, 13th Rep. N. Y, Mus. Nat. Hist,, p. 106, Ham, Gr, crenatum, Beecher, 1888, Pal. N. Y., vol, . 7, p. .33, Up. Held, Gr, cruciferum. Hall, 1879, Pal. N. Y., vol. 5, p. 328, Schoharie grit, eos. Hall & Whitfield, 1875, Ohio Pal,, vol, 2, p. 100, Hud. Riv. Gr. eximium. Hall, 1861, 14th Rep. N. Y, Mus, Nat, Hist, p. 109, and Pal, N. Y., vol, 5, pt, 2, p, 299, Up, Held. Gr, faberi, S. A, Miller, 1884, Jour. Gin. Soc. Nat. Hist., vol. 7, p, 19, Hud. Riv. Gr. fax, Hall, 1879, Pal, N. Y,, vol, 5, p, 321, "" Schoharie grit, fischeri. Hall, 18()0, 13th Rep, -^. Y, Mus. l Nat. Hist., p. 106, and Pal. II Y,, vol. 5. pt, 2, p, 336, Mam. Gr, fusiforme, Whitfield, 1882, Geo. Wis., vol. &qu
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