742 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Lingulops whltfleldl Hall. 



Lingulops wliitfieldi Hall, Notes on some New or Imperfectly Known Forms 



among the Brach., 1872, p. 2, pi. 13, fig. 12; 23d Rep. New York State Cab. 



Nat. Hist., 1873, pi. 13, figs. 1, 2. Davidson and King, Quart. Jour. Geol. 



Soc. London, 30, 1874, p. 164, pi. 19, fig. 9. Hall and Clarke, Pal. New York, 



8, pt. 1, 1892, p. 19, pi. 2, figs. 27-30. Crane, Geol. Mag., dec. 4, 2, 1895, pi. 15, 



fig. 6. 



Richmond (Maquoketa) : Near Lattners, Dubuque County, Iowa. 

 Plastotype.C&t. No. 45196, U.S.N.M. 



Linipora Troost. Genotype: L. rotunda Troost. 



Linipora Troost, 5th Geol. Rep. Tennessee, 1840, p. 64. 



Linipora rotunda Troost. Not recognizable. 



Linipora rotunda Troost, 5th Geol. Rep. Tennessee, 1840, p. 64. 

 Silurian: Near Brownsport, Tennessee. 



LINNARSSONELLA Walcott. Genotype: L. girtyi Walcott. 



Linnarssonella Walcott, Proc. U. S. Nat. Mus., 25, 1902, pp. 601-602; Smiths. 



Misc. Coll., 53, pi. 11, pp. 142-146; Mon. U. S. Geol. Surv., 51, 1912, p. G65. 



Linnarssonella mtnuta (Hall and Whitfield). 



Lingulepis? minuta Hall and Whitfield, King's U. S. Geol. Expl. 40th Parl., 4, 



1877, p. 206, pi. 1, figs. 3, 4. Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 13. 

 Obolella? minuta Walcott, Amer. Jour. Sci., 4th ser., 3, 1897, p. 404; Walcott, 



Mon. U. S. Geol. Surv., 32, pt. 2, 1899, p. 443. 



Lingulella minuta Schuchert, Bull. U. S. Geol. Surv., 1897, 87, p. 257. 

 Acrotreta minuta Walcott, Proc. U. S. Nat. Mus., 23, 1901, p. 673. 

 Linnarssonella minuta W 7 alcott, Proc. U. S. Nat. Mus., 25, 1902, pp. 603, 604; 



Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 667, pi. 79, figs. 2, 2a-b. 

 Lowest Ordovician: White Pine District, Nye County, Nevada. 

 Upper Cambrian: Eureka District, Nevada. 

 PlesiotypesG**,. No. 24553, U.S.N.M. 



LINNARSSONIA Walcott. See Acrotreta Kutorga. 



LINNARSSONIA pRETiosA Dawson and Hinde. See Acrothele pretiosa. 



LIOCLEMA Ulrich. Genotype: Callopora punctata Hall. 



Leioclema Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, pp. 141, 154. Miller, 

 N. A. Geol. Pal., 1889, p. 310. Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 376, 

 425. Rominger, Amer. Geol., 6, 1890, p. 119. 



Lioclema Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 33. Grabau, 

 Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 165; Bull. New York State Mus., 45, 

 1901, p. 165. Ulrich and Bassler, Smiths. Misc. Col., 47, 1904, p. 38. Bassler, 

 U. S. Geol. Surv., 292, 1906, p. 32; Bull. U. S. Nat. Mus., 77, 1911, p. 246. 



Lioclema asperum (Hall). 



Callopora aspera Hall, Pal. New York, 2, 1852, p. 147, pi. 40, figs. 4a-i. 



Leioclema asperum Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 416, 425. 



Lioclema aspera Grabau, Bull. New York State Mus., 45, 1901, p. 165, fig. 63; Bull. 



Buffalo Soc. Nat. Sci., 7, 1901, p. 165, fig. 63. Bassler, Bull. U. S. Geol. Surv., 



292, 1906, pp. 32, 33, pi. 11, figs. 1-3; pi. 24, figs. 14-16. 

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



Osgood, Indiana (Osgood). 

 Plesiotypes.^i. 35504, U.S.N.M. 



