292 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



2142. Goniobasis convexa (Meek and Hayden). Holotype and 



paratypes. 

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



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 562, text fig. 71, 

 pi. 42, figs. 2a, 2b. — White, Third Ann. Rept. U. S. Geol. Surv. , 

 1883, p. 463, pi. 26, figs. 6, 7. 



See Melania convexa. 



2143. Goniobasis convexa impressa (Meek and Hayden). 



Holotype. 

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



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 563, pi. 42, 

 figs. 2c, 2d.— White, Third Ann. Rept. U. S. Geol. Surv., 1883, 

 p. 463, pi. 26, figs. 8, 9. 



8161. Goniobasis endlichi White. Cotypes. 



Bear River (Cret.). Seven miles north of Evanston, 

 Wyoming. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, 

 p. 92, pi. 30, figs. 7a-c; Third Ann. Rept. U. S. Geol. Surv., 

 1883, p. 463, pi. 7, figs. 7-9. 



= Lioplax endlichi. 



20077. Goniobasis filifera White. Cotypes. 



Eocene. Wales, Utah. 



White, Bull. Xo. 34, U. S. Geol. Surv., 1886, p. 29, pi. 2, fig. 3. 



8203. Goniobasis gracilenta Meek. Holotype and plesiotype. 



12482. Laramie (Cret. ). Mouth of Judith River, Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 568, pi. 42, fig. 3; 

 and text fig. 74 on p. 569. — White, Third Ann. Rept. U. S. 

 Geol. Surv., 1S83, p. 463, pi. 26, figs. 12, 13. 



28948. Goniobasis ? increbescens Stanton. Holotype and paratypes. 

 Dakota (Cret.). Fawn Creek, Yellowstone National Park. 



Stanton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 633, 

 pl. 75, fig- 7- 



8197. Goniobasis ? insculpta Meek. Cotypes. 



Laramie (Cret.). Rock Spring, Wyoming. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1873, P- 5*5- 



= Melania insculpta. 



2144. Goniobasis invenusta (Meek and Hayden). 



Holotype and paratypes. 

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



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 564, pl. 42, 

 figs, ia, b, d, e.— White, Third Ann. Rept. U. S. Geol. Surv., 

 1SS3, p. 463, pl. 26, fig. 17. 



See Melania invenusta. 



23126. Goniobasis jeffersonensis White. Plastotype. 



Cretaceous. Five miles west of north of Fairburg, 

 Nebraska. 

 White, Proc. I". S. Nat. Mus., XVII, 1894, p. 134, pl. 8, fig. 9. 



