718 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



LEPTOTRYPA INFORMIS Ulrich. See Cyphotrypa informis. 

 LEPTOTRYPA? IRREGULARIS Nickles and Bassler. See Stigmatella irregularis. 

 LEPTOTRYPA ^IACULATA Ulrich. See Spatiopora maculata. 



Leptotrypa minima Ulrjch. 



Leptotrypa minima Ulrich, Jour. Cincinnati Soc. Nat. Hist., G, 1883, p. 159, pi. 



6, figs. 2-2b. 



Maysville (Bellevue): Hamilton, Ohio. 

 Cotypes.C&t. No. 43676, U.S.X.M. 



LEPTOTRYPA OFFULA Ulrich. See Paleschara? offula. 



Leptotrypa ornata Ulrich. 



Leptotrypa ornata Ulrich, Jour. Cincinnati Soc. Xat. Hist., 6, 1883, p. 160, pi. 



6, figs. 4, 4a. 



Maysville (Corryville) : Cincinnati, Ohio, and vicinity. 

 Cotypes.Czt. Xo. 43678, U.S.X.M. 



LEPTOTRYPA SEMIPILARIS Ulrich. See Cyphotrypa semipilaris. 



Leptotrypa? spheerion (Hall). 



Paleschara? sphserion Hall, 28th Ann. Hep. Xew York State Mus., doc. ed., 1876, 



pi. 8, figs. 14, 15. 

 Paleschara? (Chaetetes?) sphserion Hall, ibid., mus. ed., 1879, p. 121, pi. 8, 



figs. 14, 15; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 247, pi. 7, figs. 



14, 15. Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 592, fig. 

 Leptotrypa sphaerion Xickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 



299. 

 Xiagaran (Waldron): Waldron, Indiana. 



LEPTOTRYPA STIDHAMI Ulrich. See Cyphotrypa stidhami. 

 LESUEURILLA Koken. See Maclurites Lesueur. 



LEVISIA Walcott. Genotype: Agraulos agenor Walcott. 



Levisia Walcott, Smiths. Misc. Coll., 57, no. 4, 1911, p. 86; Cambrian Faunas of 

 China, Carnegie Institution, 3, 1913, p. 177. 



Levisia nasuta Walcott. 



Levisia nasuta Walcott, Smiths. Misc. Coll., 57, 1911, p. 87, pi. 17, fig. 5, and figs. 



7, 7a; Cambrian Faunas of China, Carnegie Institution, 1913, p. 178. 

 Ozarkian? (Le vis-erratic): Point Levis, Quebec. 



Levisia richardsoni Walcott. 



Levisia richardsoni Walcott, Smiths. Misc. Coll., 57, 1911, p. 86, pi. 17, figs. 4, 4a; 



Cambrian Faunas of China, Carnegie Institution, 1913, p. 178. 

 Ozarkian ? (Levis-erratic) : Point Levis, Quebec. 



o 



