1182 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Spyroccras ferum (Billings). 



Orthoceras ferum Billings, Oat. Sil. Foss. AnticostI, Geol. Surv. Canada, 1866, 



p. 22. 

 Richmond (English Head): Anticosti. 



Spyroceras jamesi (Hall and Whitfield). 



Orthoceras Jamesi Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 118, pi. 



5, fig. 13. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 551, fig. 

 Orthoceras (Spyroceras) jamesi Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 



283, pi. 7, fig. 3; Geol. Sarv. Ohio Pal., 7, 1893, p. 546, pi. 32, fig. 3. 

 Upper Medtnaii (Brassfield): Todds Fork, Clinton County, Ohio. 



Spyroceras maro (Billings). 



Orthoceras Maro Billings, Canadian Nat. Geol., 4, 1859, p. 461. 

 Chazyan (Mingan) : Mingan Islands, Quebec. 



Spyroceras meridionale Whiteaves. 



Spyroceras meridionale Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, 



p. 281, pi. 30, fig. 9. 

 Niagaran: Stonewall, Manitoba. 



Spyroceras subannulatum (D'Orbigny). 



Cyrtoceras annulatum Hall (not Goldfuss), Pal. New York, 1, 1847, p. 194, pi. 41, 

 figs. 4a-d, 5. Emmons, Amer. Geology, 1, pt. 2, 1855, p. 147. Chapman, 

 Canadian Jour., n. s., 8, 1863, p. 22, fig. 132; p. 198, fig. 174; Expos. Min. 

 Geol. Canada, 1864, p. 130, fig. 132; p. 170, fig. 174. Chamberlin, Geol. Wis- 

 consin, 1, 1883, p. 158, fig. 



Cyrtoceras subannulatum D'Orbigny, Prodr. Pal., 1, 1849, p. 1. 



Spyroceras (Cyrtoceras) subannulatum Ruedemann, Bull. New York State Mus., 

 49, 1901, p. 40. 



Trenton: Middleville, etc., New York. 



SQUAMASTER Ringueberg. Genotype: S. echinatus Ringueberg. 



Squamaster Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 5. Schuchert, 

 Bull. U. S. Nat. Mus., 88, 1915, p. 249. 



Squamaster echinatus Ringueberg. 



Squamaster echinatus Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 6, 



pi. 1, fig. 1. Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 249. 

 Clinton (Rochester): Lockport, New York; Grimsby, Ontario. 



STAUROCEPHALITES Hinde. Genotype: S. niagarensis Hinde. 



Staurocephalites Hinde, Quart. Jcur. Geol. Soc. London, 35, 1879, p. 383. Miller, 

 N. A. Geol. Pal., 1889, p. 521. 



Staurocephalites niagarensis Hinde. 



Staurocephalites niagarensis Hinde, Quart. Jour. Geol. Soc. London, 35, p. 383, 



pi. 20, 1879, fig. 1. 

 Niagaran? (Cataract?): Toronto, Ontario. 



STAUROCEPHALUS Barrande. Genotype: Trochurus speciosusyri Bech. 



Trochurus Beyrich, Ueber einige bohm. Tril., 1845, p. 81; ibid., 2, 1846, p. 10. 

 Bell and Forbes, Burmeister's Org. Tril., London, Suppl. App., 1846, p. 126. 

 Beyrich, Neues Jahrb. Min., Geol., Pal., 1846, p. 120. Hawle and Corda, 

 Abh. d. k. bohmischen Gesell., d. Wiss., 5 (extract), 1847, p. 137, pi. 7, fig. 

 73. Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 70. 

 Reed, Quart. Jour. Geol. Soc. London, 58, 1902, p. 63. 



