. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. —MAC] LAMELLIBRNACHIATA. 487 cyclas Wyoming- una curtuiii. Fin. ^-12.—Lunulicar- diiim marcellense. fragile, Hall, 1843, dHpsula fragilis,) (ieo. Rep. 4th Dist. WTY., p. 222, and Pal. N. Y., vol. 5, pi, 71, figs. 1-14, Gen- esee Shale, {ragosum. Meek, 1877, (Posidonomya fra- posa,) IJ. S. Geo. Expl. 40th Parallel, vol. 4, p. 92, Carboniferous. marcellense, Van- uxeni, 1842, (Cy- pricardites mar- cellensis,) G
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. —MAC] LAMELLIBRNACHIATA. 487 cyclas Wyoming- una curtuiii. Fin. ^-12.—Lunulicar- diiim marcellense. fragile, Hall, 1843, dHpsula fragilis,) (ieo. Rep. 4th Dist. WTY., p. 222, and Pal. N. Y., vol. 5, pi, 71, figs. 1-14, Gen- esee Shale, {ragosum. Meek, 1877, (Posidonomya fra- posa,) IJ. S. Geo. Expl. 40th Parallel, vol. 4, p. 92, Carboniferous. marcellense, Van- uxeni, 1842, (Cy- pricardites mar- cellensis,) Geo. Rep. 3d Dist. N. Y., p. 146, and Pal. N. Y., vol. 5, 81. 71, figs. 15-16. [arcellus Shale, orbiculare. Hall, 1886, Pal. N. Y., vol. 5, p. 436, Marcellus Shale, omatuin, Hall, 1843, (Pinnopsis ornata,) Geo. Rep. 4th Dist. N. Y., p. 244, and Pal. N. Y., vol. 5, p. 437, Portage Gr. rude, Hall, 1884, Pal. N. Y., vol. 5, pi. 71, tig. 17, Marcellus Shale, transversum, Hall, 1885, Pal. N. Y., vol. 5, p. 439, Chemung Gr. Ipmm, Turton, 1822. Not found in Pahfo- zoic rocks. cnncnva, see Sedgwickia concava. Lyhiopectbn, Hall, 1884, Pal. N. Y., vol. 5, p. 3. (Plates and Explanations.) [Ety. lyrion, a lyre; Pecten, a genus.] Dis- tinguished from Aviculopecten b'' the shorter hinge-line and very small an- ierior wing; surface with strong rays. Type L. magnificus. alternatus, Simpson, 1889, Diet. Fobs. Pa., p. 3(56, and Trans. Am. Phil. So&, p. 446, Chemung Gr. anomiiformis. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 53, Up. Held. Gr. cyrabalon, Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 47, Ham. Gr. dardanus. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 41. Up. Held. Gr. fasciatus. Hall, 1884, (Pernopecten fascic- ulatus,) Pal. N. Y., vol. 5, pt. 1, p. 65, Chemung Gr. interradiatuH, Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 44, Hum. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appear
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