. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. pat. ] GASTEROPODA. 415 \ com mil 111 Fig. (Ei. — P li r a s; ni o - stoma tum. convex; aperture transverse. Type P. | kcirneyi. I keariieyi, Hall, 1862, (Plenrott/inaria j ktiirneyi.) 14th Rep. N. Y. Miis. Nat. Hist., p. 105, Up. Heltl. Gr. pracursor, Clarke, 1885, Bull. U. S. Geo. Sur. No. Ifi, p. 55, Portage Gr. Palethi. , 1758, Syst. Nat. 10th E<1. [K'.y. patella, dish.] Not a Palsezo
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. pat. ] GASTEROPODA. 415 \ com mil 111 Fig. (Ei. — P li r a s; ni o - stoma tum. convex; aperture transverse. Type P. | kcirneyi. I keariieyi, Hall, 1862, (Plenrott/inaria j ktiirneyi.) 14th Rep. N. Y. Miis. Nat. Hist., p. 105, Up. Heltl. Gr. pracursor, Clarke, 1885, Bull. U. S. Geo. Sur. No. Ifi, p. 55, Portage Gr. Palethi. , 1758, Syst. Nat. 10th E<1. [K'.y. patella, dish.] Not a Palsezoic (.'('tins. welifi. see Lepetopsis levetti. Phnin rot inns, Sowerby, 1844, Mill. Conch., viil. 7, p. 29. [Ety. phaneros, aperture; tiith), extended. Syn. for Eccyliom- phaliis. pai'iiloxuit, see Eccyliomphalus paradoxus. rknnimoUte», syn. for Cyrtolites. rniniirt'Ktiiix, see Cyrtolites compressus. PllKAGMOSTOMA, Hall, 1861, 14th Rep. N. Y. MuF Nat. Hist., p. 94. [Ety. phragmox, a par- tition ; stoma, the mouth; from the septum within the aperture, which distin- guishes this ge- nus from Cari- naropsis and Bel- lerophon.] Type P. cymbula. cunulfB, Hall, 1861, 14th Rep. N. Y. Mus. Nat. Hist., p. 94, Hud. Riv. Gr. cymbula. Hall, 1861, 14th Rep. N. Y. Mus. Nat. Hist., p. 94, Hud. Riv. Gr. natator, see Bellerophon natator. Pftj/so, Dapernaud, 1801, Hist. Nat. d. Moll. Not a Palieozoic genus. prisai, Walcott, 1885, Monogr. U. S. Geo. Sur., vol. 8, p. 262, Subcarboniferous. Pilenp!<iii conoides, P. naticoides, P. rotundata, and /'. spiralis, Castelnau, 1843, Syst. Sil. Not recognized. tublfei; syn. for Platyceras dumosum. vttnMua, Sowerby. Not American. Plannrbls, Guettard, 1756, Mem. Acad. Sci. Paris. Not a Palseozoic genus. trilobatiiH, see Buoania trilobata. PuTYCKRAs, Conrad, 1840, Ann. Rep. , p. 205. [Ely. platys, broad; , horn.] Depressed subglobose, subovoid, or obliquely subcorneal; spire small; vo- lutions none, or very few, without columella; aperture mo
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