188 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull. 87. 



Conchidium iinguiforme (Ulricli). Niagara (Sil.). 



Gyiudia imguiformis Ulrich, Contrib. Aiiiericiiii Pal., lX8t>, p. 2S, ]tl. 3, iig. 2. 

 Gypidiilii uugiiilbniiis Miller, N. American (icol. Pal., 1889, i>. 346. 

 Conchidiuin unguifoimis llall and Clarke, Pal. New York, YIII, I't. II, 1893, p. 



235, pi. m, iigs. 1-4. 

 Loc. Louisville, Keiitiu-ky. 



CONOTRETA Walcott. Genotype O. rusti Walcott. 



Coiiotreta Walcott, Proc. II. S. Nat. Mns., XII, 1890, p. 365 (extract 1889).— 

 Hall and Clarke, Pal. New York, YIII, Pt. I, 1892, pp. 104, 167;— Eleventh 

 Ann. Kep. New York State Geologist, 1894, p. 250. 



Conotreta rusti Walcott Trenton (Orel,), 



Conotreta rusti Walcott, Proc. U. S. Nat. Mus., XII, 1890, p. 365, figs. 1-4 (extract 



1889).— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 104, pi. 4K, 



figs. 16-21. 

 Loc. Trenton Falls, New York; Covington, Kentucky. 



Conradia Hall and Clarke (uou Adams) = Dinobolus. 



CRANiENA Hall and Clarke. Genotype Terebratula romingeri Hall. 

 Cranajna Hall and Clarke, Pal. New York, A'^III, Pt. II, 1893, p. 297 ;— Thirteenth 

 Ann. Rep. New York State Geologist, 1895, p. 865. 



Cranaena iowensis (Calvin), Middle Devonian. 



Terebratula (Cryptouella) iowensis Calvin, Bull. Lab. Nat. Hist. Univ. Iowa, 



I, 1890, p. 174, pi 3, fig. 4. 

 Cran^na iowensis Hall and Clarke, Pal. New York, YIII, Pt. 11, 1893, p. 297, pi. 



80, figs. 36-39; pi. 83, fig. 40. 

 Loc. Fayette, Iowa; Fulton, Missouri. 



Cranaena romingeri Hall, Hamilton (Dev.). 



Terebratula romingeri Hall, Sixteenth Rep. New York State Cab. Nat. Hist., 



1863, p. 48, figs. 22, 23;— Pal, New York, IV, 1867, p. 389, pi. 60, figs. 17-25, 



66, 67. — Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 



1889, p. 155, pi. 16, figs. 20-22. 

 Cranfena romingeri Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 297, 



fig. 215; pi. 80, figs. 13-19. 

 Loo. Thunder Bay, Michigan; Waterloo, Iowa; York and Hamburg, New York; 



Clarke County, Indiana, 



CRANIA Eetzius. Genotype Anomia craniolaris Linu^. 



Crania Retzius, Schrift. Ges. Naturf. Freuude, Berlin, II, 1781, p. 72. — Dall, Bull, 

 Mus. Comp. Zool., Ill, 1871, p. 27;— Bull. U. S. Nat. Mus., 8, 1877, p. 21.— 

 Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p. 

 31.— Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, pp. 145, 169.— Wiuchell 

 and Schuchert, Minnesota Geol. Survey, III, 1893, p. 372. — Hall and Clarke, 

 Eleventh Ann. Rep. New York State Geologist, 1894, p, 260. 



Crania acadiensis Hall. Arisaig (Sil.). 



Crania acadiensis Hall, Canadian Nat. Geol., V, 1860, p. 144, fig 1. — Dawson, 



Acadian Geol., 3d ed., 1878, p, 595, fig. 198. 

 Loc. East River, Nova Scotia. 



Crania agaricina Hall and Clarke. Lower Helderberg (Dev.). 



Crania agaricina Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 180, pi. 



4H, fig, 2, 

 Loc. Albany County, New York; Decatur County, Tennessee. 



Crania albersi Miller and Faber. Utica (Ord.). 



Crania albersi Miller and Faber, Jour. Cincinnati Soc. Nat, Hist., XVII, 1894, 



p. 154, pi. 8, figs. 17-19. 

 Loc. Cincinnati, Ohio. " 



