. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 36(> BRACHIOPOA. [PSB.âKKT. Inmcatus, see Productella truncata. Inhulospinun, MoChesney. iSyn. for. P. Hetnipunctatus. , White, 1862, Proc. Boat. Soc. Nat. Hist., vol. 9, p. 29, Burling- ton Gr. vittatns, Hall, 1858, (ieo. Rep. Iowa, p. HS9, Keokuk CJn wabaHlieiiHis, Norwood & Pratten, 1854, â¢Jour. Acad. Nat. Sci., vol. 3, p. i;5, Coal Meas. wUberinnux, McChesney, syn. for P. ne- l)raak(!n8ia
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 36(> BRACHIOPOA. [PSB.âKKT. Inmcatus, see Productella truncata. Inhulospinun, MoChesney. iSyn. for. P. Hetnipunctatus. , White, 1862, Proc. Boat. Soc. Nat. Hist., vol. 9, p. 29, Burling- ton Gr. vittatns, Hall, 1858, (ieo. Rep. Iowa, p. HS9, Keokuk CJn wabaHlieiiHis, Norwood & Pratten, 1854, â¢Jour. Acad. Nat. Sci., vol. 3, p. i;5, Coal Meas. wUberinnux, McChesney, syn. for P. ne- l)raak(!n8ia. wortheni. Hall, 1858, (Ieo. Rep. Iowa, p. f)U5, Keokuk Gr. PsKi'DocKANiA, McCoy, 1851, Ann. and Mag. Nat. Hist., 2d serios, vol. 8, p. 387. [Kty. pneudo, false; Crania, a genus.] Shell slightly inequivalve, free; each valve depressed, subconical; dorsal valve with or without a small cardinal area; internally, margin broad, flat, smooth, or minutely striated concen- trically ; anterior pair of muscular im- pressions inuch larger than the poste- rior pair; pallial impressions numerous, linear, not interrupted along the mid- dle. Type P. divaricata. anomala, Winchell, 18<56, Rep. Low. Pen. Mich., p. 92, Ham. Gr. RuNssKi.^iiRiA, Hall, 1859, Pal. N. Y., vol. 3, p. 454. [Ety. proper name.] Inequi- valve, oval, ovoid, or suborbicular, elongated, rarely transverse, sometimes subtrigonal, gibbous or ventricose; no mesial fold or sinus; beak prominent, incurved, foramen terminal; articula- tion by two widely separated teeth and sockets; surface striated; structure punctate. Type R. ovoides. aequiradiata, Conrad, 1842, (Atrypa ^equiradiata,) Jour. Acad. Nat. Sci., vol. H, p. 266, and Pal. N. Y., vol. 3, p. 255, Low. Held. Gr. condoni, McChesney, 1861, New Pal. Foss., p. 85, Oriskany sandstone. cumberlandia;. Hall, 1857, (Meganteris cumberlandiiL',) 10th Rep. N. Y. St. Mus. Nat. Hist., p. 101, and Pal. N. Y., vol. 3, p. 464, Oriskany sandstone. '' elliptica. Hall, 1857, (Mega
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