TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 287 



12319. Gervillia recta Meek. Plesiotype. 



Jurassic. Near Sun Dance Hills, Black Hills, South Dakota. 



Whitfield, Rept. Geol. and Resources Black Hills Dakota, 1880, 

 p. 358, pi. 4, fig. 3. 



356. Gervillia subtortuosa Meek and Hayden. Holotype and 



paratype. 

 Fort Pierre (Cret.). Missouri River, east of Fort Ben- 

 ton, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 

 p. 276.— Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 65, 

 pi. 16, figs. 7a-c. 



30220. Gervilliopsis invaginata (?) White. Plesiotype. 



Buda (Lower Cret.). Shoal Creek, Austin, Texas. 



Shattuck, Bull. No. 205, U. S. Geol. Surv., 1903, p. 19, pi. 5, 

 fig. 12. 



113010. Gibbula americana Dall. Holotype. 



Miocene. Near Natural Well, Duplin County, North 

 Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, 

 p. 389, pi.. 22, fig. 32. 



39970. Gilbertsocrinites americanus Troost. Chirotypes. 



Ordovician. Near Knoxville, Tennessee. 



Troost, Proc. Amer. Assoc. Adv. Sci., II, 1850, p. 61. 



8249. Glauconia coalvillensis (Meek). Plesiotypes. 



8633. Colorado (Cret.). Coalville, Utah. 



18946. Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 132, pi. 28, 



fig. 11; pi. 29, figs. 1, 2. 



See Cassiope whitfieldi and Turritella coalvillensis. 



8518. Glauconome nereides White. Cotypes. 



Upper Carboniferous. Confluence of White Mountain and 

 Black rivers, Arizona. 



White, Prelim. Rept. U. S. Geogr. Surv., W. 100th Merid., 8vo., 

 1874, p. 18; Rept. U. S. Geogr. Surv.,W. 100th Merid., IV, 

 Pt.I, 1877, P- io 5> pl- 7> n g s - 5 a_e - 



= Pinnatopora nereides. 



Glycimeris. See Glycymeris. 



8051. Glycymeris berthoudi White. Holotype. 



Fort Pierre (Cret.). Fifteen miles west of Greeley, 

 Colorado. 



White, Eleventh Ann. Rept. U. S. Geol. Surv. Terr., 1879, p. 299, 

 pl. 6, figs, ia, ib. 



20090. Glycymeris ? dalli White. Cotypes. 



Jurassic. Wrangel Bay, Alaska. 



White, Bull. No. 51, U. S. Geol. Surv., 1889, p. 66, pl. 14, figs. 7-9. 



