. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fk). 710. -Uotella Fio. 709.—RaphUtoina striatum. Hubplaniim, Shumard, 18()3, Trans. St. FiOiiis Acad. Sc'i., vol. 2, p. 100, Calcifer- 0U8 Gr. Hiibtilwtriatum, Hall, 1847, (Pleurotomaria Bubtildtriata,) Pal. N. Y., vol. 1, p. 172, Trenton Gr. trochisciim. Meek, 1870, (Euomphalus trochiscus,) Proc. Acad. Nat. Soi., p. 01, and Geo. Sur. W. 100th Men, vol. 4, p. 77, Calciferous or Trenton Gr. RoTELLA, La
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fk). 710. -Uotella Fio. 709.—RaphUtoina striatum. Hubplaniim, Shumard, 18()3, Trans. St. FiOiiis Acad. Sc'i., vol. 2, p. 100, Calcifer- 0U8 Gr. Hiibtilwtriatum, Hall, 1847, (Pleurotomaria Bubtildtriata,) Pal. N. Y., vol. 1, p. 172, Trenton Gr. trochisciim. Meek, 1870, (Euomphalus trochiscus,) Proc. Acad. Nat. Soi., p. 01, and Geo. Sur. W. 100th Men, vol. 4, p. 77, Calciferous or Trenton Gr. RoTELLA, Lamarck, 1822, Hist. Nat. Vert., vol. 7, p. 6. [Ety. diminutive of rola, a wheel.] Lenticular, pol- ished ; spire depressed; base callous, lingual teeth 13; nncini, nu- merous, subequal. Type R. vestiaria. verruculifera, White, i882, Kep. Invert. Foss., New Mexico, p. xxxi, Coal Meas. ScfivoGYKA, Whitfield, 1878, Ann. Rep. Geo. Sur. Wis., p. 01, and Geo. Wis., vol. 4, p. 198. [Ety. scflfi'tts, toward the left; gurus, circle.] Sinistral, spire elevated, volutions rounded ; umbilicus open, broad, no callus; peristome en- tire, uniting with the volution on the inner side and spreading externally. Type S. swezpyi. elevata, Whitfield, 1878, Ann. Rep. Geo. Sur. Wis., p. 02, and Geo. Wis., vol. 4, p. 199, Low. Mag. Gr. obliqua. Whitfield, 1878, Ann. Rep. Geo. Sur. Wis., p. 63, and Geo. Wis., vol. 4, p. 199, Low. Mag. Gr. swezeyi. Whitfield, 1878, Ann. Rep. Geo. Sur. Wis., p. 02, and Geo. Wis., vol. 4, J). 198, Low. Mag. Gr. ScALiTES, Emmons, 1842, Geo. Rep. N. Y., p. 312. [Etv. scala, staircase.] Tur- binate, whorls flat above, turrited, pro-. Flo. 711.—Hoalltes iiii- duced below; no uinbillcuH; form elongate. Type H. angulatus. angiilatus, Emmons, 1842, Geo. Rep. N. Y., p. 312, and Pal. N. Y., vol. 1, p. 27, Chazv Gr. Sco A, Br a u n, 1838, Neues Jalir. Min. Geo. (ieol. Pe- tref., p. 298. [Ety. skolion, curved; stoma, mouth.] Small, upper part pupif
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