1312 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Uncinulus septentrionalis Holtedahl. 



TJncinulus septentrionalis Holtedahl, 2d Arct. Exp. " Fram," 1898-1902, No. 32, 



1914, p. 22, pi. 8, fig. 3. 

 Helderbergian (Lower beds) : Seal Bay, Southwest Ellesmereland, Arctic America. 



Uncinulus stricklandi (Sowerby). 



Terebratula stricklandi Sowerby, Murchison's Sil. Syst., 1839, pi. 13, fig. 19. 



Rhynchonella tennesseensis Hall (not Roemer), Trans. Albany Institute, 4, 1860, 

 p. 228; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1876, pi. 26, figs. 

 34-40.— White, 2d Ann. Rep. Indiana Bu. Statis. Geol., 1880, p. 496, pi. 3, 

 figs. 2-4; 10th Rep. State Geol. Indiana, 1881, p. 128, pi. 3, figs. 2-4. 



Rhynchonella stricklandi Hall, 28th Rep. New York State Mus. Nat. Hist., 

 doc. ed., 1879, p. 165, pi. 26, figs. 34-40; 11th Rep. State Geol. Indiana, 1882, 

 p. 308, pi. 26, figs. 34-40.— Nettelroth, Kentucky Fossil Shells, Mem. Ken- 

 tucky Geol. Surv., 1889, p. 81, pi. 27, figs. 9-11; pi. 29, figs. 3-6.— Lesley, 

 Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 901, figs. 



TJncinulus (Uncinulina) stricklandi Hall and Clarke, Pal. New York, 8, pt. 2, 1895, 

 pi. 58, figs. 38-40. 



Uncinulus stricklandi Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 290, 

 fig. 358. 



Silurian: Europe; Waldron and St. Paul, Indiana; Newsom, Tennessee (Waldron 

 and Laurel); Louisville, Kentucky (Louisville); West Tennessee (Browns- 

 port). 



Plesiotypc— Cat. No. 51356, U.S.N.M. (Nettelroth). 



Uncimilus tennesseensis (Roemer). 



Rhynchonella tennesseensis Roemer, Die Sil. Fauna West. Tennessee, 1860, p. 72, 

 pi. 5, fig. 14.— Hall and Whitfield , 27th Rep. New York State Cab. Nat. Hist., 

 1875, pi. 9, figs. 24-26; Pal. Ohio, 2, 1875, p. 136, pi. 7, figs. 16, 17.— Hall, 

 Trans. Albany Inst., 4, 1863, p. 228 (loc. occ). — Lesley, Geol. Surv. Pennsyl- 

 vania, Rep. P 4, 1889, p. 902, figs. 



Niagaran: Perry, Wayne, and Decatur Counties, Tennessee (Brownsport); Louis- 

 ville, Kentucky (Louisville); Yellow Springs, Ohio. 



Unio orthonotus Conrad. See Modiolopsis orthonota. 



Unio primigenius Conrad. See Modiolopsis primigenia. 



Urasterella Sturtz (part). See Stenaster Billings. 



URASTERELLA McCoy. Genotype: Uraster ruthveni Forbes. 



Urasterella McCoy, British Pal. Rocks Foss., 1854, p. 59.— Hall, 20th Rep. New 

 York State Cab. Nat. Hist., 1866, p. 289; rev. ed., 1870, p. 332.— McCoy, 

 Geol. Surv. Victoria, dec. 1, 1874, p. 42.— Zittel, Handb. Pal., 1, 1879, p. 

 453.— Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1880, p. 323.— 

 Sturtz, Neues Jahrb. Min. Geol., Pal., 2, 1886, p. 152; Palseontographica, 36, 

 1890, p. 219; Verb, naturh. Ver. preuss. Rheinl., etc., 1893, pp. 40, 56 — 

 Gregory, Geol. Mag., dec. 4, 6, 1899, p. 352— Schuchert, Bull. U. S. Nat. 

 Mus., 88, 1915, p. 173. 



Stenaster Billings (part), Geol. Surv. Canada, Can. Org. Rem., dec. 3, 1858, p. 

 77.— Sturtz, Verb, naturh. Ver. preuss. Rheinl., etc., 50, 1893, pp. 40, 56. 



Rcemeraster Sturtz, Palseontographica, 32, 1886, p. 85; ibid., 36, 1890, p. 220; 

 Verh. naturh. Ver. preuss. Rheinl., etc., 50, 1893, pp. 52, 73. (Genotype: 

 Asterias asperula Roemer.) 



