564 Systematic Paleontology 



Exogyra costata Say 



Plate XXV, Pig. 5; Plate XXVI; Plate XXVII. Pigs. 1. 2 



Exogyra costata Say, 1820, Am. Jour. Sci., 1st ser., vol. ii, p. 43. 



Exogyra costata Morton, 1828, Jour. Acad. Nat. Sci., Phila., 1st ser., vol. vi. 



p. 85, pi. vi, figs. 1-4. 

 Exogyra costata Morton, 1830, Amer. Jour. Sci., 1st ser., vol. xvii, p. 284. 

 Exogyra costata Morton, 1834, Syn. Org. Rem. Cret. Group, U. S., p. 55, pi. vi, 



figs. 1-4. 

 Exogyra costata Troost, 1840, Fifth Geol. Rept., Tennessee, p. 4G. 

 Exogyra costata Roemer (?) 1849, Texas, p. 396. 

 Exogyra costata Roemer (?) 1852, Kreide. von Texas, Bonn, p. 72. 

 Exogyra costata Conrad, 1857, Rept. U. S. and Mex. Bound. Survey, vol. i, 



pt. 2, pp. 154, 155, pi. ix, figs. 2a, 2b, pi. x, fig. 1. 

 Exogyra interrupt a Conrad, 1858, Jour. Acad. Nat. Sci., Phila., 2d ser., vol. 



iii, p. 330, pi. xxxiv, fig. 15. 

 Exogyra costata Emmons, 1858, Rept. North Carolina Geol. Survey, p. 278, 



fig. A. 

 Exogyra costata Owen, 1860, Second Rept. Geol. Recon., Arkansas, pi. vii, 



fig. 4. 

 Exogyra costata Meek, 1864, Check List Inv. Fossils, North America, Cret. 



and Jur., p. 6. 

 Exogyra costata Cook, 1868, Geol. of New Jersey, p. 374, fig. 

 ? Ostrea torosa Coquand, 1869, Mon. du Genre Ostrea, Terrain Cret., p. 38, 



pi. xiv, figs. 1-4; pi. xv, figs. 1, 2 (ex parte). 

 Exogyra costata Stoliczka, 1871, Mem. Geol. Survey India. Pal. Ind., Cret. 



Faunas Southern India, vol. iii, p. 461, pi. xl, figs. 1-3; pi. xli, fig. 1. 

 Exogyra costata Gabb, 1876, Proc. Acad. Nat. Sci., Phila., p. 323. 

 Exogyra costata White, 1884, Fourth Ann. Rept. U. S. Geol. Survey, p. 304, 



pi. lvii, figs. 1, 2. 

 Exogyra costata Whitfield, 1885, Mon. U. S. Ceol. Survey, vol. ix, pp. 39-41, 



pi. vi, figs. 1, 2 (ex parte). 

 Exogyra costata Say, 1896, Bull. Amer. Pal., vol. i, p. 291 (No. 5, p. 21). 

 Exogyra costata Hill, 1901, Twenty-first Ann. Rept. U. S. Geol. Survey, pt. 



7, pi. xlvii, figs. 1, la. 

 Exogyra costata Hill and Vaughan, 1902, Geol. Atlas of U. S., U. S. Geol. 



Survey, Austin folio, illustration sheet, fig. 52. 

 Exogyra costata Bbse, 1906, Bol. Mexico Inst. Geol., No. 24, pp. 51-54, pi. vi, 



fig. 3, pi. vii, fig. 1; pi. viii, figs. 2, 3; pi. ix, fig. 3. 

 Exogyra costata Veatch, 1906, Prof. Paper II. S. Geol. Survey, No. 46, pi. xi, 



figs. 2, 2a. 

 Exogyra costata Weller, 1907, Geol. Survey of New Jersey, Pal., vol. iv, pp. 



456-458, pi. xlvii, fig. 1. 

 Exogyra costata Stephenson, 1914, Prof. Paper U. S. Geol. Survey, No. 81, 



p. 50, pi. xvi, figs. 3, 4; pi. xvii, figs. 1, 2; pi. xviii; pi. xix, figs. 1-4; 



pi. xx, fig. 1. 



