336 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CTCLOSPIRA Hall and Clarke, Genotype: Orthis bisiilcata Emmons. 



Cyclospira Hall and Clarke, Pal. New York, 8, pt.' 2, 1893, p. 146.— Winchell and 

 Schuchert, Geol. Minnesota, 3, 1893, p. 4G9.— Hall and Clai-ke, 13th Ann. 

 Rep. New York State Geol., 1895, p. 808.— Miller, N. A. Geol. Pal., 2d App., 

 1897, p. 760.— Grabau and Sliimer, N. A. Index Fossils, 1, 1907, p. 309.— 

 Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 410. 



Cyclospira bisulcata (Emmons). 



Orthis bisulcata Emmons, Geol. New York, Rep. 2d Dist., 1842, p. 396, hg. 4. 

 Atrj'pa bisulcata Hall, Pal. New York, 1, 1847, p. 139, pi. 33, fig. 3.— Emmou.s 



Amer. Geology, 1, pt. 2, 1855, p. 190, pi. 10, figs. 3a-e. 

 Genus? bisulcata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. G5. 

 Camarella bisulcata Miller, Amer. Pal. Foss., 1877, p. 107. — Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1889, p. 3, figs. 

 Camarella owatonnensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892. ]>. 



328, pi. 4, figs. 1-3. 

 Rhynchonella bisulcata Safford, Geol. Tennessee, 1869, p. 275, figs. 7, 14. 

 Cyclospira bisulcata? Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 470, 



pi. 34, figs. 49-54. 

 Cyclospira bisulcata Hall and Claike, Pal. New York, 8, pt. 2, 1893, p. 147, figs. 



133-136, pi. 54, figs. 38-40.— AMuteaves, Pal. Foss., 3, pt. 3, 1897, p. 180.- 



Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 309, figs. 386d-h. 

 Trenton: Adams, Jefferson County, New York; Ottawa, Ontario; Cannon Falls, 



etc., Minnesota; Lake Winnipeg, Manitoba. 



Cyclo8plra( ?) sparsiplica Foerstc. 



Cyclospira(?) sparsiplica Foerste, Geol. Ohio, 7, J895, ]>. 593, pi. 37A, fig, 18. 

 Upper Medinan (Brassfield): Dayton, Ohio. 



Cyclostoma? pervetusta Conrad. See Euconia(?) pervetusta. 



CTCLOSTOMICERAS Hyatt. Genotype: Gomphoceras cassinense WTiitfield. 



Cyclostomiceras Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 530. — Ruedemann, 

 Bull. New York State Mus., 90, 1906, p. 500.— Grabau and Shimer, N. A. In- 

 dex Fossils, 2, 1910, p. 119.— Hyatt, Zittel-Eastman Textb. Pal., 2d ed., 

 1913, p. 611. 



C.rcIo8tomlceras(?) breylcorne (Hall). 



Cyrtoceras brevicorne Hall, 20th Rep. New York. State Cab. Nat. Hist., 1868, p. 



356, pi. 18 (8), figs. 8, 9; rev. ed., 1870, p. 407, pi. 18, figs. 8. 9; pi. 25, fig. 14.— 



Chamberlin, Geol. Wisconsin, 1, 1883, p, 194, fig. 

 Cyrtoceras brevicorne Clarke and Ruedemann, Mem. New York State Mus., 5, 



1903, p. 89, pi. 13, figs. 11, 12. 

 Cyclostomicera8(?) brevicorne Grabau and Shimer, N. A, Index Fossils, 3, 1910, 



p, 121, fig. 1361. 

 Niagaran: Racine, Wisconsin (Racine and Guelph); Shelby and Rochester, New 



York (Guelph). 



Cyclostomiceras cassinense (Whitfield). 



Gomphoceras cassinense Wliitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 322, 



pi. 29, figs. 1-3.— Seely, Rep. State Geol. Vermont, 7, 1910, pi. 56, fig. 4. 

 Cyclostomiceras cassinense Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, j). 530. — 



Ruedemann, Bull. New York State Mus., 90, 1906, p. 501, fig, 56; pi. 37, 



figs. 1-3; pi. 38, figs. 5, 6.— Grabau and Shimer, N. A. Index Foasils, 2, 1910, 



p, 120, fig. 1357. ' 

 Canadian (Beekraantown ) : Fort Cassin, Vermont. 



