300 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CTENODONTA Salter. Genotype: Tellinomya nasuta Hall. 



Nucula Hall (not Lamarck), Geol. Rep. 4th Dist. New York, 1842, p. 76- Amer. 

 Jour. Sci., 48, 1843, p. 292; Pal. New York, 1, 1847, pp. 150, 316. 



Lyrodesma Hall (part), Pal. New York, 1, 1847, p. 302. 



Ctenodonta Salter, Rep. British Assoc. Adv. Sci., 1851, p. 63; Rep. 21st Meeting, 

 British Assoc. Adv. Sci., Notes and Abstracts, 1852, p. 64; Geol. Surv. 

 Canada, dec. 1, 1859, p. 34. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 

 1865, p. 128-129. Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 308. 

 Zittel, Handb. d. Pal., 2, 1881, p. 51. Lesley, Proc. Geol. Assoc. London, 10, 

 1888, p. 395. Barrois, Ann. Soc. Geol. Nord, 19, Lille, 1891, p. 184. TJlrich, 

 Geol Surv. Ohio, 7, 1893, p. 679; Geol. Minnesota, 3, pt. 2, 1894, p. 578. 

 Whidborne, Mon. Dev. Fauna South England, 3, Pal. Soc., 1896, p. 98. 

 Koken, Die Leitfossilien, Leipzig, 1896, p. 194. Hind, Mon. British Garb. 

 Lamellibranchiata, 1, Pal. Soc., 1897, pp. 177, 209. Ball, Zittel-Eastman 

 Textb. Pal., 1, 1900, p. 363. Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 

 Indiana, 1908, p. 979. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 

 393. Ball, Zittel-Eastmann Textb. Pal., 2d ed., 1913, p. 440. 



Tellinomya Hall, Pal. New York, 1, 1847, p. 151. Pictet, Traite de Pal., 2d ed., 

 3, 1855, p. 534. Hall, Canadian Nat. Geol., 1, 1856, p. 391; 10th Rep. New 

 York State Cab. Nat. Hist., 1857, pp. 181, 182, (extr.,pp. 141, 142); Amer. 

 Jour. Sci. and Arts, 2d ser., 25, 1858, p. 108; Pal. New York, 3, 1859, p. 14, 

 footnote; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 76. Hitchcock, 

 Geol. Vermont, 1, 1861, p. 295. Miller, Cincinnati Quart. Jour. Sci., 1, 1874, 

 pp. 228, 229. Salter, Mem. Geol. Surv. Great Britain, 2d ed., 1881, p. 550. 

 Koninck, Ann. d. Mus., Royal d'Hist. Nat. de Belgique, 11, 1885, p. 138. 

 Miller, N. A. Geol. Pal., 1889, p. 514. Miller and Faber, Jour. Cincinnati 

 Soc. Nat. Hist., 17, 1894, pp. 148-150. Sardeson, Bull. Minnesota Acad. 

 Nat. Sci., 4, 1896, p. 73. Hind, Mon. British Carb. Lamellibranchiata, 1, 

 Pal. Soc., 1897, p. 177 (Genotype: T. nasuta Hall). 



Not Tellinomya, the correct form of Tellimya Brown, 1827, as given by Agassiz 

 in his "Nomenclator Zoologicus" in 1846. 



Palaeoconcha Miller, N. A. Geol. Pal., 1889, p. 498 (Genotype: P. faberi Miller). 



Ctenodonta abrupta Billings. 



Ctenodonta abrupta Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 40, figs. 



48a-c (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 143, 



figs. 79a-c; p. 175, figs. 161a-b. 



Tellinomya abrupta Miller, N. A. Geol. Pal., 1889. p. 514 (gen. ref.). 

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



Ctenodonta? absimilis (Sardeson). 



Ttfllinomya absimilis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 74, 



pi. 3, figs. 1, 2. 

 St. Peter: Highland Park, Minnesota. 



Ctenodonta albertina Ulrich. 



Ctenodonta albertina Ulrich, Geol. Minnesota. 3, 1894, p. 598, pi. 42, figs. 76-82. 



Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 394, fig. 502m. 

 Richmond (Waynesville) : Clarksville, etc., Ohio, 

 Cotypes. Cat. No. 46122, U.S.N.M 



Ctenodonta alta (Hall), 



Tellinomya alta Hull. Rep. Geol. Surv. Wisconsin, 1861, p. 27.- -Meek and 

 Worthen, Geol. Surv. Illinois, 3, 1868, p. 309, pi. 2, figs. 6a, b. Whitfield, 

 Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 50, pi. 6, figs. 5-8. 



