BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1121 



RHYNCHONELLA (STEGERHYNCHUS) WHITII-PR.ECURSOR Foerste. See Camarotce- 

 chia (Stegerhyndhus) white! precursor. 



RHYNCHONELLA WILSONI Roemer. See Wilsonia wilsoni. 



RHYNCHORTHOCERAS Remele. Genotype: Ancistroceras breynii Remele. 



Rhynchorthoceras Remele, Zeits. d. d. geol. Gesell., 33, 1881, p. 480; ibid., 

 34, 1882, pp. 122, 201. Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 511. 



Rhynchorthoceras dubium Hyatt. 



Rhynchorthoceras? dubium Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 512. 

 Niagaran: Indiana. 



RHYNCHOSPIRA Hall. Genotype: Waldheimia formosa Hall. 



Rhynchospira Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 29; Pal. 

 New York, 3, 1859, pp. 213, 484; 16th Rep. New York State Cab. Nat. Hist., 

 1863, p. 58, figs. 12-17; Pal. New York, 4, 1867, p. 276. Hall and Clarke, 

 ibid., 8, pt. 2, 1893, p. 108, fig. 101; 13th Ann. Rep. New York State Geol., 

 1895, p. 791. 



Retzia Billings, Canadian Jour., 6, 1861, p. 147. 



Rhynchospira(?) acadiae (Hall). 



Trematospira acadiae Hall, Canadian Nat. Geol., 5, 1860, p. 146, fig. 4. Dawson, 

 Acadian Geol., 3d ed., 1878, p. 597. Miller, N. A. Geol. Pal., 1889, p. 386, 

 fig. 630. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1203, fig. 



Rhynchospira? acadiae Schuchert, Bull. U. S. Geol. Surv. 87, 1897, p. 367. 



Silurian : Arisaig, Nova Scotia. 



RHYNCHOSPIRA APRINIFORMIS Hall. See Homceospira apriniformis. 

 RHYNCHOSPIRA? APRINIS Hall. See Homoeospira apriniformis. 

 RHYNCHOSPIRA? EQUIRADIATA Hall. See Camarotcechia eequiradiata. 

 RHYNCHOSPIRA EVAX Hall. See Homoeospira evax. 



Rhynchospira excavata Grabau. 



Rhynchospira excavata Grabau, Bull. New York State Mus., 69, 1903, p. 1050 



fig. 9. 

 Helderbergian (Keyser-Manlius): Becraft Mountain, near Hudson, New York. 



Rhynchospira formosa (Hall). 



Waldheimia formosa Hall, 10th Ann. Rep. New York State Mus. Nat. Hist., 1857, 



p. 88. 



Trematospira formosa Hall, Pal. New York, 3, 1859, p. 215, pi. 36, figa. 2a-t. 

 Rhynchospira formosa Hall, Pal. New York, 3, 1859, p. 485, pi. 95A, figs. 7-11. 



Hall and Clarke, ibid., 8, pt. 2, 1893, p. 109, pi. 50, figs. 21-25. Weller, Geol. 



Surv. New Jersey, Pal., 3, 1903, p. 240, pi. 21, figs. 30-34. Maynard, Maryland 



Geol. Surv., Low. Dev., 1913, p. 426, pi. 72, figs. 26-30. 

 Helderbergian: Albany County, New York (New Scotland); Devils Backbone, 



Cash Valley, and Tonoloway, Maryland; Keyser, West Virginia (Keyser); 



New Jersey (Decker Ferry). 



Rhynchospira globosa (Hall). 



Waldheimia globosa Hall, 10th Ann. Rep. New York State Cab. Nat. Hist., 1857 



p. 87. 



Trematospira (Rhynchospira) globosa Hall, Pal. New York, 3, 1859, p. 215, pi. 36, 

 figs. la-p. 



