. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 635.—Trlplesia ortoni. extans, Emmons, 1842, (Atrypa extans,) (Jeo. Rep. 2d Dist. N. Y., p. 395, and Pal. N. v., vol. 1, p. 137, Trenton Gr. lateralis, Whitfield, 1886, Bull. Am. Mus. Nat. Hist., vol. 1, p. 303, Birdseye Gr. Fig. 6;i6.—Tropldoleptus carinatus. carinatus, Conrad, 1839, (Strophomena carinata,) Ann. Geo. Rep. N. Y., p. 64, and Pal. N. Y., vol. 4, p. 407, Ham. Gr. occidens, Hall, 1860, 13th Rep.
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fio. 635.—Trlplesia ortoni. extans, Emmons, 1842, (Atrypa extans,) (Jeo. Rep. 2d Dist. N. Y., p. 395, and Pal. N. v., vol. 1, p. 137, Trenton Gr. lateralis, Whitfield, 1886, Bull. Am. Mus. Nat. Hist., vol. 1, p. 303, Birdseye Gr. Fig. 6;i6.—Tropldoleptus carinatus. carinatus, Conrad, 1839, (Strophomena carinata,) Ann. Geo. Rep. N. Y., p. 64, and Pal. N. Y., vol. 4, p. 407, Ham. Gr. occidens, Hall, 1860, 13th Rep. N. Y. Mus. Nat. Hist., p. 91, and Pal. N. Y,, vol. 4, p. 408, Ham. Gr. ViTULiNA, Hall, 1860, 13th Rep. N. Y. Mus. Nat. Hist., p. 72. [Etv. mythological name.] Externally it is like Leptoca>lia, but dis- tinguished by its .sirong dental lamellii> and pro- cesses. Type V. pustulosa. pustulosa, llall, 1860, 13th Rep. N. Y. Mus. Nat. Hist., p. 72, and Pal. N. Y., vol. 4, p. 410, Tully limestone. Waldueimia, King, 1849, Mon- ograph of Permian Fossils, p. 145. [Fity. proper name.] Shell circular, sub- quadrate, transverse or elongated; valves unequally convex, smooth, or plicated; beak truncated, perforated; deltidium in one or two pieces; loop long, formed of lamellr; attached by the crura to the hinge. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Miller, S. A. (Samuel Almond), 1836-1897. Cincinnati : [s. n. ]
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