240 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CLINOCERAS Mascke. Genotype: C. dens Maacke. 



Clinoceras Mascke, Zeits. d. d. geol. Gesell., 28, 1876, p. 49. Zittel, Handb. Pal., 

 2, Munich, 1884, p. 370. Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 

 282. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 126. 



CLINOCERAS EXIGUUM Schuchert. See Oncoceras exiguum. 



Clinoceras mumiaforme (Whitfield). 



Oncoceras mumiafornie Whitfield, Ann. Rep. Geol. Siirv. Wisconsin for 1879, 1880, 



p. 58; Geol. Wisconsin, 4, 1882, p. 232, pi. 7, figs. 3-5. Chamberlin, Geol. 



Wisconsin, 1, 1883, p. 159, fig. 

 Clinoceras mumiaeforme Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 282 (gen. 



ref.). Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 797, pi. 57, figs. 7-10. 



Grabau and Shimer, N. A. Index Fossil, 2, 1910, p. 126, fig. 1371. 

 Black River (Platteville): Beloit and Janesville, Wisconsin. 



CLINOPISTHA Meek and Worthen. Genotype: C. Isevis Meek and Worthen. 



Clinopistha Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1870, p. 43. 



Hall, Pal. New York, 5, pt. 1, Lam. 2, 1885, p. liv. Koninck, Ann. Mus. Roy. 



Hist. Nat. Belgique, 11, 1885, p. 125. Miller, N. A. Geol. Pal., 1889, p. 472. 



Hind, Mon. Brit. Carb. Lamellibranchiata, 1, Pal. Soc., 1900, p. 437. 



Clinopistha antiqua Whiteaves. 



Clinopistha? antiqua Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 3, 1897, p. 



185, pi. 20, fig. 6. 

 Black River or Richmond: Inmost or Birch Island, Kinwow Bay, Lake Winnipeg. 



CLINTONELLA Hall and Clarke. Genotype: C. vagabunda Hall and Clarke. 



Clintonella Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 159; 13th Ann. Rep. 

 New York State Geol., 1895, p. 814. Miller, N. A. Geol. Pal., 2d App., 1897, 

 p. 759. 



Clintonella vagabunda Hall and Clarke. 



Clintonella vagabunda Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 160, 

 pi. 52, figs. 1-11; 48th Rep. New York State Mus. for 1895, 2, 1897, p. 361, 

 pi. 9, figs. 17-26; 14th Rep. State Geol. New York for 1894, 1897, p. 361, pi. 

 9, figs. 17-26. 



Clinton (drift): Orleans County, New York. 



CLIOCRINUS Hudson. See Cleiocrinus Billings. 

 CLIODERMA Hall. See Pterotheca Koken. 



CLIONYCHIA Ulrich. Genotype: Ambonychia lamellosa Hall. 



Ambonychia Hall (part), Pal. New York, 1, 1847, p. 163. 



Cleionychia Ulrich, Amer. Geology, 10, 1892, p. 97. 



Clionychia Miller, N. A. Geol. Pal., 1st App. 1892, p. 699. Ulrich, Geol. Minne- 

 sota, 3, pt. 2, 1894, p. 493; Geol. Surv. Ohio, 7, 1893, p. 650. DaU, Zittel- 

 Eastman Textb. Pal., 1, 1900, p. 368; 2d ed., 1913, p. 445. Cumings, 

 Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p, 979. Grabau and Shime 

 N. A. Index Fossils, 1, 1909, p. 435. 



Clionychia erecta (Hall). 



Ambonychia erecta Hall, Rep. Supt. Geol. Surv. Wisconsin, 1891, p. 32. Whit 



field, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 59, pi. 7, figs. 1, 2. 

 Clionychia erecta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 496, pi. 35, figs. 17, 

 Black River (Platteville): Beloit, Wisconsin; Minneapolis, Minnesota. 

 Plesiotype. Cat. No. 46112, U.S.N.M. 



