BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1025 



POTERIOCERAS McCoy. Genotype:'?, ellipticum McCoy. 



Poterioceras McCoy, Syn. Carb. Foss. Ireland, 1844, p. 10. Saemann, Palseonto- 

 graphica, 3, 1852, p. 157. McCoy, British Pal. Rocks Foes., 1854, p. 321. 

 Blake, Mon. British Foss. Cephalopoda, 1882, p. 57. Foord, Cat. Foss. Ceph. 

 British Mus., 1, 1888, p. 256. Whidborne, Mon. Dev. Fauna South England, 

 1, Pal. Soc., 1890, p. 112. Miller, N. A. Geol. Pal., 1st App., 1892, p. 697. 

 Foord, Mon. Carb. Cephalopoda Ireland, Pal. Soc., 1898, p. 47. Hyatt, 

 Zittel-Eastman Textb. Pal., 1, 1900, p. 530. Foord, Mon. Carb. Ceph. 

 Ireland, pt. 5, Pal. Soc., App., 1903, p. 213. Grabau and Shimer, N. A. 

 Index Fossils, 2, 1910, p. 126. Hyatt, Zittel-Eastman Textb. Pal., 2d ed., 

 1913, p. 611. 



Apioceras Saemann, Palaeontographica, 3, 1852, pp. 138, 157, 162. Woodward, 

 Man. Mollusca, pt. 3, 1856, p. 449. 



Acleistoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 277. 



Orthoceras, Gomphoceras, Phragmoceras, and Cyrtoceras (part) of authors. 



Poterioceras apertum Whiteaves. 



Poterioceras apertum Whiteaves, Trans. Royal Soc. Canada, 7, sec. 4, 1890, p. 78, 

 pi. 14, figs. 2-4; ibid., 9, sec. 4, 1892, p. 87, pi. 11, figs. 2, 3. Clarke, Geol. 

 Minnesota, 3, pt. 2, 1897, p. 796, pi. 57, fig. 11. Whiteaves, Pal. Foss., Geol. 

 Surv. Canada, 3, pt. 3, 1897, p. 217. Grabau and Shimer, N. A. Index Fos- 

 sils, 2, 1910, p. 126, fig. 1372. 



Oncoceras constrictum Billings, Canadian Nat. Geol., 1, 1856, p. 314, figs. 2, 3; 

 Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 23. 



Black River or Richmond: Lake Winnipeg, Manitoba. 



Trenton: St. Paul and Cannon Falls, Minnesota. 



POTERIOCERAS CONSTRICTUM Foord. See Oncoceras constrictum. 



Poterioceras gracile Whiteaves. 



Poterioceras gracile Whiteaves, Trans. Royal Soc. Canada, 9, sec. 4, 1892, p. 87, 



pi. 12, figs. 4, 4a; Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 219. 

 Black River or Richmond: Lake Winnipeg, Manitoba. 



Poterioceras nobile Whiteaves. 



Poterioceras nobile Whiteaves, Trans. Royal Soc. Canada, 7, sec. 4, 1890, p. 77, 

 pi. 14, fig. 1; ibid., 9, sec. 4, 1892, p. 87; Pal. Foss., Geol. Surv. Canada, 3, 

 pt. 3, 1897, p. 216. 

 Black River or Richmond: East Selkirk and Lower Fort Garry, Manitoba. 



Poterioceras obesum (Billings). 



Gomphoceras obesum Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 

 1857, p. 311; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 23 (loc. 

 ^ ref.). 



Richmond (English Head, Charleton): Charleton Point and Macasty Bay, Anti- 

 costi. 



Poterioceras sauridens Clarke and Ruedemann. 



Poterioceras sauridens Clarke and Ruedemann, Mem. New York State Mus., 5, 

 1903, p. 93, pi. 14, figs. 1-19. Grabau and Shimer, N. A. Index Fossils, 2, 

 1910, p. 127, fig. 1373. 

 Poterioceras cf. sauridens Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, 



p. 198, pi. 29, fig. 4. 



Niagaran (Guelph): Shelby and Rochester, New York. 



Upper Monroan (Amherstburg): Detroit River, opposite Amherstburg, Ontario. 

 Observation. See Cyrtoceras reversum Spencer. 



