. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 7( Aperture of Streptooerus jauus. 's, McCoy, 1844, Synop. Carb. Fobs. Ireland, p. 20. [Ety. (emno, I di- vide; cheilos, lip.] Nautiloid in form, and characterized by a broad, deep, open umbilicus, showing all the volu- tions, with the outer side of the volu- tions broad or flattened, and the middle of each lateral margin prominently angu- lar ; the angle being sometimes nodose, while the trans
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 7( Aperture of Streptooerus jauus. 's, McCoy, 1844, Synop. Carb. Fobs. Ireland, p. 20. [Ety. (emno, I di- vide; cheilos, lip.] Nautiloid in form, and characterized by a broad, deep, open umbilicus, showing all the volu- tions, with the outer side of the volu- tions broad or flattened, and the middle of each lateral margin prominently angu- lar ; the angle being sometimes nodose, while the transverse diameter of the volutions is always greater than the dorso-ventrai ; siphuncle between the middle and the outer side of tlie whorls. Type T. biangulatus. coxanum, Meek & Worthen, 1869, Proc. Acad. Nat. Sci. Phil., p. 50, and Geo. Sur. 111., vol. 5. p. 543, St. Louis Gr. latum. Meek & Worthen, 1870, Proc. Acad. Nat. Sci. Phil., p. 49, and Geo. Sur. 111., vol. 5, p. 608, Coal Meas. niotense. Meek A Worthen, 18(;.'i, I'm^ Acad. Nat. Sci. Phil., p. 260, and (,,,,'. Sur. III., vol. 5, p. 62:i, Keokuk dr. Type of Hyatt's genuH ' VlQ, 7G1.—TemnuclillUH coxuiiuin. peramnlum, Meek & Worthen, ;), (Knuolobufl peramplus,) Proc A(a(i Nat. Sci. Phil., p. LTiK, Kaskas- kia (ir. scottense, Worthen, (in press,) (ieo Sm III., vol. 8, p. 151, Warsaw Cir. spectabile. Meek & Worthen, 1860, i Nau- tilus spectabilis,) Proc. Acad. Nat. .Si. Phil., p. 469, and (ieo. Sur. I!!., vol. j. p. .''08, Kaskaskia (ir. winslowi. Meek & Worthen, 187(1, i'nu. Acad. Nat. Sci. j>. 50, and (ieo. Sur. Ill, vol. 5, p. 609, Coal Mt-as. Teraticiinus, S. a. Miller, 1880, ,Iour. ('in. Soc. Nat. Hist, vol. 2, p. 221. (Kty. /eras,a wonder; ifAnos, track.] A track supposed to liave been made by ,i cephalopod, and consisting of niiiiier- ous elongated, more or less bifunatiMl impressions. Type T. confertiis. confertuH, S. A. Miller, 1880, .lonr !1. I ('in. 'tica S
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