1186 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Stenopora adherens Billings. Not recognizable. 



Stenopora adherens Billings, Canadian Nat. Geol., 4, 1859, p. 427. 

 Chazyan: Mingan Islands, Canada. 



STENOPORA BULBOSA Billings. See Cyphotrypa bulbosa. 

 STENOPORA HURONENSIS Billings. See Stromatocerium huronense. 



Stenopora fibrosa of authors (not Goldfuss). 



Stenopora fibrosa Billings, Canadian Nat. Geol., 4, 1859, p. 346. Chapman, Cana- 

 dian Jour., n. s., 6, 1861, p. 509, fig. 73; ibid., 8, 1863, p. 195, fig. 165a; p. 198, 

 fig. 177. Billings, Geol. Canada, 1863, p. 156, fig. 116; Geol. Canada, 

 Geol. Surv. Canada, 1863, p. 124, fig. 45. Chapman, Expos. Min. Geol. 

 Canada, 1864, p. 103, fig. 73; p. 167, fig. 165a; p. 170, fig. 177. Billings, 

 Catal. Sil. Foss. Anticosti, 1866, p. 32. Miller, Cincinnati Quart. Jour. Sci., 

 1, 1874, p. 369. 



Ordovician: Various localities. 

 Observation. The above citations are to various unidentified ramose bryozoa. 



Stenopora(?) incrustans Ulrich and Bassler. 



Stenopora(?) incrustans Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 



1913, p. 275, pi. 42, figs. 11-16; pi. 44, fig. 6. 

 Helderbergian (Keyser): Cash Valley and Pinto, Maryland. 

 Cotypes.Czt. No. 53649, U.S.N.M. 



STENOPORA LIBANA Safford. See Batostoma libana. 

 STENOPORA LYCOPERDON Miller. See Chaetetes lycoperdon. 

 STENOPORA MAMMULATA Billings. See Ptilodictya magnifica. 



Stenopora patula Billings. Not recognizable. 



Stenopora patula Billings, Canadian Nat. Geol., 4, 1859, p. 427. 

 Chazyan: Island of Montreal and Mingan Islands, Canada. 



STENOTHECA (Salter) Hicks. Genotype: S. cornucopia Salter. 



Stenotheca (Salter) Hicks, Quart. Jour. Geol. Soc., 28, 1872, p. 180. Salter, Cat. 

 Camb. Sil. Foss., 1873, p. 8 (nom. mid.). Geol. Mag., dec. 3, 2, 1885, p. 425 

 Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 128. Matthew, Trans. Royal Soc. 

 Canada, 3, sec. 4, 1886, p. 56. Miller, N. A. Geol. Pal., 1889,' p. 392. Mat- 

 thew, Trans. Royal Soc. Canada, 8, sec. 4, 1891, p. 132; Trans. New York 

 Acad. Sci., 15, 1896, p. 200. Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 

 1897, pp. 822, 842. Berkey, Amer. Geol., 21, 1898, p. 278. Pilsbry, Zittel- 

 Eastman Textb. Pal., 1, 1900, p. 460. Grabau, Occ. Papers Boston Soc. Nat. 

 Hist., 4, 1900, p. 636. Dall, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 530. 



STENOTHECA DUBIA Whitfield and Hovey. See Archinacella deformata. 



Stenotheca exserta (Sardeson). 



Tryblidium exsertum Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 337, 



pi. 6, figs. 3, 4. f 



Stenotheca exserta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 842, pi. 



82, figs. 11-15. 

 Black River (Platteville): Minneapolis, Minnesota; Beloit, Wisconsin. 



STENOTHECA UNGUIFORMIS Ulrich. See Vallatotheca unguiformis. 



STEPHANELLA Hinde. Genotype: S. sancta Hinde. 



Stephanella Hinde, Geol. Mag., dec. 3, 8, 1891, p. 23. Dawson, Trans. Royal Soc. 

 Canada, 2d eer., 2, sec. 4, 1896, p. 116. 



