330 BULLETIN 92, U^'1TED 5TATLS SAilv:SAL MUSEUM. 



rYCLOGRAPTUS Spencer. Genotype: C. rotadentatus Spencer. 



Cyclograplus Spencer, Proc. Amer. As«oc. Adv. Sci., 31, 1883, p. 365; Bull. 



Mils. Univ. State Missomi, 1, 1884, p. 42; Trans. Acad. Sci. St. Louis, 4, 



1884, p. 563, 592.— Miller, X. A. Geol. Pal., 1889, p. 182.— Ruedemann, Mem. 



New York State Mus., 11, pt. 2, 1908, p. 182. 



Cyclograptus ro'adentatus Spenctr. 



Cyclograptus ruiadentatus Spencer, Trand. Acad. Sci. St. Louis, 4, 1884, p. 592, 



pi. 6, figs. 6, 6a; Bull. Mus. Univ. State Missouri, 1, 1884, No. 1, p. 42, pi. 



6, figs. 6, 6a.— JkHller, N. A. Geol. Pal., 1889, p. 182, fig. 162.— Gurley, Jour. 



Geol., 4, 1896, pp. 94, 309.— Ruedemann, Mem. New York State Mus., 11, 



1908, p. 184, pi. 2, fig. 5, figs. 91, 92.— Bassler, Bull. U. S. Nat. Mus., 65, 1909, 



pp. 45, 46, figs. 57, .58. 

 Niagaran dolomite: Hamilton, Ontario. 

 CUnton (Rochester): Clinton, New York. 



Cyclolttes rotuloides Hall. See Palseocyclus rotuloides. 



CTCLOLITUITES Remele. Genotypo: ('. applanatus Remelo. 



C"yclolituites Remeles Zeits. d. d. geol. Gesell., 38, 1886, p. 467.— Hyatt, Proc. 

 Amer. Phil. Soc, 32, 1894, p. 505. 



Cyclolitwites americauus Hyatt. 



Cyclolituites americanus Hyatt, Proc. Amer. Phil. Soc, 32, 1894, p. 505. 

 Canadian (Quebec): Gargamelle Cove, Newfoundland. 



CYCLONEMA Hall. Genotype: Pleiu-otomaria bilix Conrad. 



Cyclonema Hall, Pal. New York, 2, 1853, p. 89.— Salter, Geol. Surv. Canada, 

 Can. Org. Rem., dec. 1, 1859, pp. 23, 25. — Miller, Cincinnati Quart. Jour. 

 Sci., 1, 1874, p. 319.— Zittel, Handb. Pal., 2, 1882, p. 187.— Nettelroth, Ken- 

 tucky Foss. Shells, Geol. Surv. Kentucky, 1889, p. 187.— Miller, N. A. Geol. 

 Pal., 1889, p. 400.— Koken, Neues Jahrb. f. Min., Geol. Pal., Beilage-Band, 

 6, 1889, p. 427.— Koken, Die Leitfossilien, Leipzig, 1896, p. 120, fig. 101.— 

 Llrich and Scofield, Geol. Minne.sota, 3, pt. 2, 1897, p. 1056.— Koken, Bull. 

 Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 191; Neues Jahrb. f. Min., Geol. 

 Pal., 1, 1898, p. 24.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 448.— 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 949. — Grabau 

 and Shinier, N. A. Index Fossils, 3, 1909, p. 668.— Dall, Zittel-Eastman 

 Textb. Pal., 2d ed., 1913, p. 530. 



Cyclonema (part) of Hall, Salter and othex-s. See Trochonema Salter. 



Cyclonema bellulum BiUings. 



Cyclonema l^ellula Billings, Cat. Sil. Foss. Anticosti, CJeol. Surv. Canada, 1866, 



p. 55. 

 Anticuslian (Gun River): The Jumpers, Anticosti. 



Cyclonema bilex Foerste. See Cyclonema daj-tonense. 



Cyclonema bilex (part) Hall. See Cyclonema mediale. 



Cyclonema bilex var. conica Miller. See Cyclonema bilix. 



Cyclonema bilex var. lata Meek. See Cyclonema bilix. 



Cyclonema blllx (Conrad). 



Pie urotomaria bilix Conrad, Joiur. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 271, 

 pi. 16, fig. 10.— Hall (part). Pal. New York, 1, 1847, p. 305, pi. 83, figs. 4a-e.— 

 Roger?", Gor.l. Pennsylvania, 2, pt. 2, 1858, p. 820. fig. 620. 



