L;ll>Ll<)(;HAi'lll(' LIST OF (iENERA AXD SPECIES. .'M7 



('yrtendoceras(?) priscum Ruodomaiiu. 



<'ATtendocei-as(?) priscum Ruederaanu, Bull. New York State Mub., 90, 1906, 



p. 430, pi. 2, figs. 2-5. 

 Canadian (Beekmantown): Beekmantown, New York. 



I'YRTHiA U'Orbigny. See Cyrtia Daliuau. 



CYRTIA Dalman. Genotype: Anomites expon-ectUB Wahlenberg. 



CATtia Dalman, Kongl. Sveiiska Vet.-Akad. Handl. for 1827, 1828, pp. 93, 97.— 

 Davidson, British Foes. Bracb. Pal. Soc, 1853, p. 83; 1859, p. 66.— Billings, 

 Canadian Jour., 6, 1861, p. 262.— Zittel, Handb. Pal., 1, 1880, p. 683.— Nettel- 

 roth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 93.— 

 Miller, N. A. Geol. Pal., 1889, p. 342.— Hall and Clarke, Pal. New York, 8, 

 pt. 2, 1893, p. 40; 13th Ann. Rep. New York State Geol., 1895, p. 759.— 

 Koken, Die Leitfossilien, Leipzig, 1896, p. 243, fig. 204, 3.— Schuchert, 

 Zittel-Eastman Textb. Pal., 1, 1900, p. 336; 2d ed., 1913, p. 412. 



Cyithia D'Orbigny, Prodr. Pal., 1, 1849, p. 41. 



Cyrtia cllftonensis Foerste. 



Cyrtia cliftonensis Foerste, Jour. Geo!., 11, 1903, p. 709; Bull. 8ci. Lab. Denisf)u 



Univ., 14, 1909, p. 91, pi. 2, fig. 32. 

 Niagaran (Brownsport): Near Clifton, Tennessee. 



Cyrtia exporrecta Hall and AMiitfield, 1875. See CjTtia exporrecta myrtia. 



Cyrtia eiporrecta (Wahlenborg). 



Anomites exporrectus \Vahlonl)erg, Nova Aria Rogias Soc. Scient. IJpsal, 8, 1S2I, 



p. 64. 

 Spirifera (CjTtia) trapezoidalis Hall and ^Miitfiold, 24tli Rep. New York State 



Cab. Nat. Hist., 1872, p. 183. 

 Cyrtia trapezoidalis Hall and Whitfield, 27th Eep. ibid., 1875, pi. 9, figs. 19-21. 

 Cyrtia exporrecta Dalmau, Koiigl. Vet.-Akad. Handl. for 1827, 1828, p. 118.— 



Nettelroth, Kentucky Fossil Shells, ^Mem. Kentucky Geol. Surv., 1889, p. 



93, pi. 27, figs. 6-8, 20.— Miller, N. A. Geol. Pal., p. 342, 1889, fig. 557.— 



Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 42, pi. 28, figs. 1, 48, 49, 51. 

 Silurian: Europe; Louisville, Kentucky (Louisville); Osgood, Indiana (Osgood). 

 Pl€motype.—Cat. No. 51326, U.S.N.M. 



Cyrtia exporrecta var. ahrecta Nettelroth. See Cyrtia exporrecta myrtia. 



Cyrtia exporrecta myrtia (Hillings). 



Cyrtia myrtia Billings, Pal. Fossils, 1, 1862, p. 165, fig. 149.— Hall and Clarke 



Pal. New York, 8, pt. 2, 1893, p. 42.— Kindle and Breger, 28th Ann, Rep. 



Dep. Geol. Nat. Res. Indiaiui, 1904, p. 443, pi. 9, figs. 10, 12. 

 Cyrtia trapezoidalis var an-ecta Hall and "^Miitfield, 24lh Rep. New York State 



Cab. Nat. Hist., 1872, p. 183. 

 Cyrtia exporrecta Hall and AMiitfield, 27th Rep. ibid., 1875, pi. 9, figs. 22, 23. 

 Cyrtia exporrecta var. arrecta Nettelroth, Kentucky Fossil Shells, Mem. Ken- 



tu<ky Geol. Surv., 1889, p. 94, pi. 27, fig. 21; pi. 34, fig. 35; pi. 37, figs. 60, 



61.— Hall, and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 28, figs. 2, 3; pi. 39, 



fig. 32. 

 Anticostian (Chicotte): Southwest Point, Anticosti. 

 Niagaran: Louisville, Kentucky (Louisville); Indiana and Tennessee (Osgood 



andWaldron); Wisconsin (Racine). 

 Plmotype. — Cat. No. 51327, U.S.N.M. (Nettelroth types of C. e.xporrecta-arrectaV 



