BIBLIOGRAPHIC LIST OF GENK11A AND SPEC I 337 



< vdostoiuiceras minimum (Whitficld). 



(iomphoceras minimum Whitfield, Bull. Amer. Mus. Xat. Hist., 1. JH80, p. 321. 



pi. 27, figs. 3-5. 

 Cyclostomiceraa minimum Ruedemaiin, Bull. New York Sutlc Mus.. !)(>. l!M)(>. 



p. 502, j)l. 35, figs. 5-6, fig. 57. 

 Canadian (Bcekinantown): Fort Casein, Vermont. 



Cyclostomiceras orodcs (Billings). 



( 'yrtoceras Orodcs Billings, Pal. Foss., 1, Geol. Sum. Canada (adv. sheets, 1862), 



1865, p. 162. Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 



103, pi. 14, figs. 7, 7a, 8a, b, 9. Clarke and Ruedemann, Mem. New York 



State Mus., 5, 1903, p. 88, pi. 15, fig. 3-11. 

 ('yrtoceras (Cyclostomiceras) erodes Grabau, Michigan, Geol. Surv., Geol. Ser., 1, 



190'J, p. 197, pi. 28, figs. 6, 7; pi. 29, figs. 2, 3. 

 Cyclostomiceras erodes Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 120, 



fig. 1358-60. 



Niagara 11 (Guolph): New Hope, Ontario. 

 Mouroan (Amherstburg and Raisin River): Detroit River region. 



< ' YI K OCRINUS Miller. See Barrandeocrinus Angelin. 



CYLINDROCCELIA Ulrich. Genotype: C. endoceroidea Ulrich. 



Cylindrocoelia Ulrich, Amer. Geol., 3, 1889, pp. 235, 245. Miller, N. A. Geoi. 

 Pal., 1889, p. 158. James, Jour. Cincinnati Soc. Nat. Hist., 14, 1891, p. 56. 

 Wincholl and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 77. 



Cylindrocoelta covingtonensis Ulrich. 



< 'ylindrocoilia covingtonensis Ulrich, Amer. Geol., 3, 1889, p. 247. James, J. F., 



Jour. Cincinnati Soc. Nat. Hist., 14, pt. 1, 1891, p. 56. 

 Maysville (Fairmount) : Covington, Kentucky. 

 < ''olypc*. Cat. No. 46550, U.S.N.M. 



Cylindroccelia eudoceroidea Ulrich. 



('ylindrocooli a endoceroidea Ulrich, Amer. Geol., 3, 1889, p. 246, figs. 9, 10. 

 Black River (Lowville): High Bridge, Kentucky. 



Cylindrocffilia ininiiesotensis Ulrich. 



Cylindrocoelia minnesotensis Ulrich, Amer. Geol., 3, 1889, p. 248. Winchell and 



Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 78, pi. G, figs. 1-3. 

 Black River (Decorah) : Minneapolis, St. Paul, and Fountain, Minnesota. 

 Cotypes. Cat. Nos. 46551, 46552, U.S.N.M. 



Cylindrocoelia minor Ulrich. 



Cylindrocoelia minor Ulrich, Ainer. Geol., 3, 1889, p. 248. 

 Trenton: Harrodsburg Junction, Kentucky. 



CTLINDROHELIUM Grabau. Genotype: C. profundum Grabau. 



Cylindrohelium Grabau, Geol. Surv. Michigan, Geol. Ser., 1, 1909, p. 102. 



Cylindrohelium heliophylloides Grabau. 



Cylindrohelium heliophylloides Grabau, Geol. Surv. Michigan, Geol. Ser., 1, 



1909, p. 103, pi. 10, fig. 7. 

 I rpcr Monroan (Lucas): Salt shaft, Detroit, Michigan. 



Cylindrohelium profundum Grabau. 



Cylindrohelium profundum Grabau, Geol. Surv. Michigan, Geol. Ser., 1, 1909, 



p. 102, pi. 11, figs. 4-6, 7. 

 Upper Monroan (Lucas): Salt shaft, Detroit, Michigan; near Sylvania, Ohio. 



Silurian: North Fork of Saskatchewan River, Canada. 



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