302 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Ctenodonta carinata Ulrich. 



Ctenodonta carinata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 589, pi. 42, figs. 



41^3. 

 Tellinomya carinata Miller, N. A. Geol. Pal., 2d App., 1897, p. 785 (gen. ref.). 

 Trenton (Prosser): East of Fountain, Minnesota. 

 Cotypes— Cat. No. 46124, U.S.N.M. 



Ctenodonta carpenderi Schuchert. 



Ctenodonta carpenderi Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 100, pi. 13, 



figs. 1-3. 

 Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes— Cat. No. 28164, U.S.N.M. 



Ctenodonta cingulata (Ulrich). 



Tellinomya cingulata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 23, pi. 

 7, figs. 19, 19a. 



Ctenodonta cingulata Ulrich, Geol. Surv. Ohio, 7, 1893, p. 680, pi. 48, figs. 10-12.— 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 997, pi. 44, 

 figs. 5, 5a. 



Richmond: Marble Hill, near Madison, Indiana; Dayton, Ohio; Boyle and Old- 

 ham Counties, Kentucky. 



Tlolotype and plesioty pes. —Cat. Nos. 46126, 46127, U.S.N.M 



Ctenodonta clarkei Bassler (new name). 



Tellinomya pulchella Clarke (not Hall, 1856), Archivos Mus. Nac. Rio de Janeiro, 



10, author's Engl, ed., 1900, p. 17, pi. 2, figs. 13-15. 

 Silurian: Rio Trombetas, Brazil. 



Ctenodonta clintonensis (Foerste). 



Tellinomya (Nuciila?) Clintonensis Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 



563, pi. 37, fig. 15. 

 Clinton: Near Mifflintown, Juniata County, Pennsylvania. 



Ctenodonta compressa (Ulrich). 



Tellinomya compressa Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 



1892, p. 216, fig. 2. 

 Ctenodonta compressa Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 600, pi. 37, fig. 



29; pi. 42, figs. 88-90. 

 Black River (Decorah): Goodhue County, Minnesota. 

 Eolotype and plesiotypes. — Cat. No. 46128, U.S.N.M. 



Ctenodonta contracta Salter. 



Ctenodonta contracta Salter, Geol. Surv. Canada, dec. 1, 1859, p. 37, pi. 8, figs. 



4, 5.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 175, fig. 160a, b. 

 Tellinomya contracta Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 76, pi. 11, 1884, 



figs. 15, 15a. 

 Tellinomya cuneata Hall, 10th Rep. New York State Cab. Nat. Hist., 1857, p. 183 



(ext., p. 143), figs. 6, 7 (not described; probably in error for contracta); Rep. 



Geol. Surv. Wisconsin, 1862, p. 38, figs. 1, 2. 

 Black River (Leray): Pauquettes Rapids, Ottawa River, etc., Canada. 

 Upper Pogonip: Eureka and White Pine Districts, Nevada. 

 Plesintype.— Cat. No. 17284, U. S. N.M. (Walcott). 



Ctenodonta costata Branson. 



Ctenodonta costata Branson, Trans. Acad. Sci. St. Louis, 18, No. 4, 1909, p. 40, 



pi. 7, figs. 7, 8. 

 Black River (Aubum-Decorah): Lincoln Coimty, Missouri. 



