1242 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Strophostylus tennesseensis (Roemer). 



Turbo tennesseensis Roemer, Sil. Fauna West Tennessee, I860, p. 77, pi. 5, fig. 17. 

 Cyclonema tennesseense Miller, N. A. Geol. Pal., 1889, p. 401 (gen. ref.). 

 Niagaran (Brownsport) : Decatur County, Tennessee. 



Strophostylus textilis Ulrich and Scofield. 



Strophostylus textilis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1064, 



pi. 82, figs. 49-54. 



Holopea textilis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 677, fig. 943. 

 Cyclonema textile Miller, N. A. Geol. Pal., 2d App., 1897, p. 766 (gen. ref.). 

 Black River: Minneapolis, St. Paul, Cannon Falls, etc., Minnesota (Decorah); 



Lincoln County, Missouri (Auburn). 



Trenton: St. Paul, Minnesota (Prosser); Burgin, Kentucky (Flanagan). 

 . Nos. 4599^-46002, U.S.N.M. 



Strophostylus ventricosus (Hall). 



Cyclonema ventricosa Hall (not Hall 1870), Pal. New York, 2, 1852, p. 90, pi. 28, 



figs. 2a-c. 

 Lower Clinton: Sodus, New York. 



STROTOSPONGIA Ulrich and Everett. 



Genotype: S. maculosa Ulrich and Everett. 



Strotospongia Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 276. Miller, 

 N. A. Geol. Pal., 1889, p. 166. 



Strotospongia maculosa Ulrich and Everett. 



Strotospongia maculosa Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 277, 



pi. 8, figs. 1, la-d. 



Black River (Platteville) : Dixon, Illinois. 

 Figured sections of holotype.Q&t. No. 46573, U.S.N.M. 



STYLARJEA Von Seebach. Genotype: S. roemeri Von Seebach. 



Stylarsea Von Seebach, Zeits. d. d. Geol. Gesell., 18, 1866, p. 306. Nicholson and 

 Etheridge, Mon. Sil. Foss. Girvan Dist., 1878, p. 60. Zittel, Handb. Pal., 1, 

 1879, p. 239. Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 456. Lind- 

 strom, Kongl. Sven. Vet.-Akad., Handl., 32, No. 1, 1899, p. 110. Lambe, 

 Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 91. 



Stylarsea parva (Billings). 



Columnaria parva Billings, Canadian Nat. and Geol., 4, 1859, p. 428. 



Stylarsea parva Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 



91, pi. 5, figs. 9, 9a, b. Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 20, 



fig. 7. 

 Chazyan: Mingan Islands, Canada; Lake Champlain region; Virginia; Tennessee. 



STYLIOLA Lesueur. 



Styliola Hall, Pal. New York, 5, pt. 2, 1879, p. 175. Zittel, Handb. Pal., 2, 

 1882, p. 313. Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 

 1889, p. 157. Miller, N. A. Geol. Pal., 1889, p. 392. Matthew, Trans. Royal 

 Soc. Canada, 10, sec. 4, 1893, p. 104. Koken, Die Leitfossilien, Leipzig, 

 1896, p. 96, fig. 75, fig. 4. 



Styliola corrugata (Matthew). 



Creseis corrugata Matthew, Trans. Royal Soc. Canada, 10, sec. 4, 1893, p. 105, 



pi. 7, figs. 12a, b. 

 Cyrtotheca corrugata Matthew, Bull. Nat. Hist. Soc. New Brunswick, 10, 1892, 



p. 8. 

 Canadian (Bretonian Div. C3d): Suspension Bridge, St. John, New Brunswick. 



