90 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ATRYPA Dalman. Genotype: Anomia reticularis Linnaeus. 



Atrypa Dalman, Kongl. Svenska Vet.-Akad. Handl., 1828, p. 102. Billings, 

 Canadian Nat. Geol., 1, 1856, p. 134; Canadian Jour., 6, 1861, p. 264. Chap- 

 man, Canadian Jour., n. s., 7, 1862, p. 114; Expos. Min. Geol. Canada, 1864, 

 p. 117. Whitfield, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 141, 

 pi. 1. Hall, Pal. New York, 4, 1867, p. 312. Zittel, Handb. Pal., 1, Munich, 

 1880, p. 688. Davidson, Mon. Brit. Foss. Brachiopoda, 5, Sil. Suppl., Pal. 

 Soc., 1882, p. 84. Miller, N. A. Geol. Pal., 1889, p. 335. Nettelroth, Ken- 

 tucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 88. Beecher, 

 Amer. Jour. Sci., 3d ser., 44, 1892, p. 147. Hall and Clarke, Pal. New York, 

 8, pt. 2, 1893, p. 163; 13th Ann. Rep. New York State Geol., 1895, p. 818. 

 Koken, Die Leitfossilien, Leipzig, 1896, p. 241, fig. 202, 203. Grabau, Bull. 

 Buffalo Soc. Nat. Sci., 6, 1899, p. 226; Schuchert, Zittel-EastmanTextb. Pal., 



1, 1900, p. 334. Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 195. 

 Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 309. Schuchert, Zittel- 

 Eastman Textb. Pal., 1913, p. 409. 



ATRYPA ACUTIROSTRA Hall. See Zygospira(?) acutirostris. 

 ATRYPA AFFINIS Vanuxem. See Atrypa reticularis. 

 ATRYPA ALTILIS Hall. See Camarotcechia plena. 

 ATRYPA AMBIGUA Hall. See Camarella ambigua. 

 ATRYPA APRINIS Hall. See Homoeospira aprinifonnis. 



Atrypa arctostriata (Foerste). 



Atrypa reticularis arctostriatus Foerste, Jour. Geol., 11, 1903, p. 710. 



Atrypa arctostriata Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 93, pi. 



2, figs. 34A, B. 



Niagaran (Brownsport): Near Brownsport Furnace, three miles west Vice Land- 

 ing, Tennessee. 



Atrypa? biconvexa Maynard. 



Atrypa? biconvexa Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 393, pi. 



68, figs. 1-3. 

 Helderbergian (Keyser): Keyser, West Virginia; Cash Valley, Maryland. 



ATRYPA BIDENS Hall. See Rhynchonella(?) bidens. 

 ATRYPA BIDENTATA Hall. See Rhynchonella(?) bidentata. 

 ATRYPA BISULCATA Hall. See Cyclospira bisulcata. 

 ATRYPA BREVIROSTRIS Hall. See Anastrophia brevirostris. 



Atrypa calvini Nettelroth. 



Atrypa calvini Nettelroth, Kentucky Foss. Shells, Mem. Kentucky Geol. Surv., 



1889, p. 89, pi. 32, figs. 64-66. Kindle and Breger, 28th Ann. Rep. Dep. 



Geol. Nat. Res. Indiana, 1904, p. 440, pi. 8, figs. 13-15. 

 Niagaran: Louisville, Kentucky (Louisville); Delphi, Pendleton, etc., Indiana 



(Noblesville). 

 Holotype.Czt. No. 51331, U.S.N.M. 



ATRYPA CAMURA Hall. See Trematospira camura. 

 ATRYPA CAPAX Conrad. See Rhynchotrema capax. 

 ATRYPA CHEMUNQENSIS Conrad. See Atrypa reticularie. 



