294 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



19180. Goniobasis? subtortuosa (Meek and Hayden). Holotype 



and paratypes. 

 Laramie (Cret.). Mouth of Judith River, Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 569, text figs. 

 75, 76, pi. 42, figs. 17a, 17b. — White, Third Ann. Rept. U. S. 

 Geol. Surv., 1883, p. 463, pi. 27, fig. 34. 



See Melania subtortuosa. 



8603. Goniobasis tenera Hall. Plesiotypes. 



Eocene. Head of Soldiers Fork, Utah. 



White, Rept. U.S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 1876, 

 p. 212, pi. 21, figs, iia-nc. 



8887. Goniobasis tenera Hall. Plesiotypes. 



Eocene. Wyoming, Colorado, and Utah. 



White, Third Ann. Rept. U. S. Geol. Surv., 1883, p. 464, pi. 31, 

 figs. 1-30. 



[The above includes G. simpsoni Meek, G. nodulifera Meek, G. 

 carteri Conrad, G. columinis White, and G. arcta Meek. T. W. 

 Stanton.] 



2141. Goniobasis tenuicarinata (Meek and Hayden). Holotype. 

 Laramie (Cret.). Near Fort Union, North Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 566, pi. 43, figs. 

 I4a-i4c— White, Third Ann. Rept. U. S. Geol. Surv., 1S83, p. 

 463, pi. 26, fig. u; Bull. No. 34, U. S. Geol. Surv., 1886, p. 28, 

 pi. 2, fig. 9. 



See Melania tenuicarinata. 



8597. Goniobasis tenuicarinata (Meek and Hayden). Plesiotypes. 

 Eocene. Wales, Utah. 



White, Bull. No. 34, U. S. Geol. Surv., 1886, p. 2S, pi. 2, figs. 6-8. 



46527. Gonioceras occidentale Hall. Plesiotype. 



Stones River (Ord.). Dixon, Illinois. 



Clarke, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt.II, 

 1897, p. 795- pi. 57, %• 6. 



432. Goniomya americana Meek and Hayden. Holotype. 



Fox Hills (Cret.). Moreau River, South Dakota. 



Meek and Havden, Proc. Acad. Nat. Sci. Phila.,VIII, 1856, p. 81.— 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 221, pi. 30, 

 figs. 12a, 12b. 



12397. Goniomya borealis Meek. Holotype. 



Nanaimo (Cret.). Nanaimo, Vancouver Island. 



Meek, Bull. U. S. Geol. and Geogr. Surv. Terr., II, No. 4, 1S76, 

 p. 362, pi. 2, fig. 2. 



See Pholadomya (Goniomya) borealis. 



7814. Goniomya montanaensis Meek. Holotype. 



Jurassic. Near Lower Canyon of Yellowstone River, 

 Montana. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1878 (1883), 

 Pt. I, p. 151, pi. 37, fig. Sa. 



