S62 



BRACHIOPODA. 



[PHO PRO. 



linguloides, Hall, 1867, Pal. N. Y., vol. 4, 



p. 414, Ham. (ir. 

 oblata, Hall, 1867, Pal. N. Y., vol. 4, p. 



414, Ham. < ir. 

 ovalis, Hall, 1863, Trans. Alb. Inst., vol. 



4, p. 209, Niagara Gr. 

 ovata, Hall, 1859, Pal. N. Y.. vol. :;, p. 



490, Low. Held. Gr. 

 quadrangularis, Walcott, 1886. Monogr. 



U.S. Geo. Sur., vol. 8, p. 114, Devonian. 

 8qiiamiformis, Hall, 1843, (Orbicula squa- 



miformis,) Geo. Rep. 4tli Dist. N. Y., 



p. 108, and Pal. N. Y., vol. 2, p. 250, 



Niagara Gr. 

 subtruncata, Hall, 1S47, t Orbicula sub- 



truncata,) Pal. V 'i '.. vol. 1. p. 290, 



Hud. Riv. Gr. 

 terminalis, Hall, 1859, Pal. N. Y., vol. 8, 



p. 490, Oriskany sandstone, 

 trentonensis, Hall, 1866, 24th Rep. N. Y. 



St. Mus. Nat. Hist., |>. 221, Trenton Gr. 

 Platystrophia, King, syn. for Orthis. 



regulari#, syn. for Orthis lynx. 

 Plectambonites area, syn. for Lepteena trans- 

 versal is. 

 glabra, syn. for Leptama sericea. 

 tenera, syn. for Leptama transversal is. 

 Pltcatula, Lamarck, 1809. Not Paleeosoic. 

 striatocostata, see Meekella striatoeoHtata. 

 Porami.u\iti>, Pander, 1830, Beitrage %xa 

 „'. des Russiehen Reiches, p. 99. 



nysius, Hall & Whitfield, 1872, 24th Rep. 



N. Y. St. Mus. Nat. Hist., p. 184, Niag- 

 ara Gr. There are two varieties, one 



having coarse and the other finer j 



radii. These are designated P. nysius 



var. crassicostus and P. nysius var. i 



tenuicostus. 

 oblongus, Sowerby, 1839, Murch. Sil. j 



Syst., p. 641, and Pal. N. Y., vol. 2, p. 



79, Clinton and Niagara Gr. 

 oblongus var. cylindricus, Hall & Whit- 

 field, 1872, 24th Rep. N. Y. St. Mus. 



Nat. Hist., p. 183, Niagara Gr. 

 occidentalis, Hall, 1852, Pal. N. Y., vol. | 



2, p. 341, Guelph Gr. 

 occidentalis, see Gypidula occidentalis. 

 ovalis, Hall, 1852, Pal. N. Y., vol. 2, p. I 



103, Clinton Gr. 

 papilionemis, see Pentamerella papilion- 



ensis. 

 pergibbosus, Hall & Whitfield, 1875, Ohio ! 



Pal., vol. 2, p. 139, Niagara Gr. 

 peeovis, Whitfield, 1882, Desc. New Spec. I 



Foss., from Ohio, p. 195, Low. Held. Gr. | 

 pseudogaleatus, Hail, 1857, 10th. Rep. 



N. Y. St. Mus. Nat. Hist., p. 106, and 



Pal. N. Y., vol. 3, p. 259, Low. Held. Gr. 

 reverms, see Anastrophia reversa. 

 salinensis, Swallow, 1860, Trans. St. Louis 



Acad. Sci., vol. I, p. 652, Devonian, 

 similior, Winchell & Marcy, 1865, (Spirif- 



era similior,) Mem. 



Bost. Soc. Nat. Hist., E J 



p. 93, Niagara < \ r. 

 subglobosus, Meek & 



Worthen, 1868, Geo. 



Sur. 111., vol. 3, p. 



429, Ham. Gr. 

 trisinuatus, McChes- 



ney, 1861, Desc. New Fig. 698— Poramboultes ottawensis. </, 6, e, d, Different views; e, lii- 



Pal Foss n 86 terlor of ventral valve; /, Interior of dorsal valve; <>, showing oral 



• <&• 



Niagara Gr. 

 ventricosus, Hall, 1861, Rep. Progr. Wis. 

 Sur., p. 2, and 20th Rep. N. Y. St Mus. 

 Nat. Hist., p. 374, Niagara Gr. 

 verneuili, see Anastrophia verneuili. 

 Pholidops, Hall, 1859, Pal. N. Y., vol. 3, p. 

 489. [Ety. pholi#, pholidos, a scale.] 

 Small, thin, subelliptical, inequivalve; 

 apex excentric, foramen in front of the 

 apex of the ventral valve ; surlace marked 

 by concentric lamella? of growth ; dorsal 

 valve marked with bilobed muscular 

 impressions. Type P. squamiformis. 

 arenaria, Hall, 1867, Pal. N. Y., vol. 4, p. 



413, Oriskany sandstone, 

 areolata, Hall, 1863, 16th Rep. N. Y. Mus. 



Nat. Hist., p. 31, Schoharie grit, 

 bellula, Walcott, 1885. Monogr. U. S. Geo. 

 Sur., vol. 8, p. 113, De- 

 vonian, 

 cincinnatiensis, Hall, 1872, 

 24th Rep. N. Y. St. Mus. 

 Nat. Hist., pi. 7, fig. 10, 

 Hud. Riv. Gr. 

 hamiltonia), Hall, 1860, 13th 

 Rep. N. Y. St. Mus. Nat. 

 Hist., p. 92, and Pal. N. Y., vol. 4, p. 

 32, Ham. Gr. 



FlQ. 597.— Pho- 

 lidops cin- 

 cinnatiensis. 



[Ely. poroe, opening; ambon, umbone.] 

 Subglobose, depressed, dorsal valve the 

 larger, beaks obtuse, subequal, sepa- 

 rated by a small cardinal area in each 

 valve ; foramen in each valve small, 

 triangular, reaching the hinge-line; 

 two long, slightly diverging dental la- 

 mella; in each valve, those of the ven- 

 tral valve closer together; surface 

 coarsely punctured in lines. Type P. 

 eequirostris. 



dentatm, see Orthis dentata. 



obscurus, Hall & Whitfield, 1877, U. 8. 

 Geo. lvxpl. 40th parallel, vol. 4, p. 234, 

 Quebec (Jr. 



ottawensis, Billings, 1862, Pal. Foss., vol. 

 1, p. 140, Black Riv. Gr. 

 Productella, Hall, 1867, Pal. N. Y., vol. 4, 

 p. 153. [Sig. diminutive of Productus.] 

 Shells having the general form of Pro- 

 ductus, but with a narrow area on each 

 valve, a foramen or callosity on the 

 ventral area, small teeth, and more or 

 less distinct teeth sockets. Type P. 

 subaculeata. 



arctirostrata, Hall, 1857, (Productus arcti- 

 rostratus,) 10th Rep. N. Y. St. Mus. 



