TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 513 



33796. Planolites corrugatus Walcott. Holotype. 



Greyson (Algonkian). Near Neihart, Montana. 



Walcott, Bull. Geol. Soc. Amer., X, 1899, p. 236, pi. 24, fig. 8. 



33797. Planolites superbus Walcott. Cotypes. 



Greyson (Algonkian). Near Neihart, Montana. 



Walcott, Bull. Geol. Soc. Amer., X, 1899, p. 237, pi. 24, fig. 9. 



8909. Planorbis aequalis White. Cotypes. 



Eocene. Henrys Fork, Green River, Wyoming. 



White, Proc. U. S. Nat. Mus., Ill, 1880, p. 159; Third Ann. Rept. 

 U. S. Geol. Surv., 1883, p. 448, pi. 29, fig. 10. 



13392. Planorbis ammon Gould. Holotype. 



Post-Tertiary. Colorado Desert, California. 



Conrad, Rept. Expl. and Surv. R. R. Miss. Riv. to Pacific Ocean, 

 V, 1856, p. 331, pi. 11, figs. 14-16. 



2105. Planorbis amplexus Meek and Hayden. Holotype. 



Laramie (Cret.). Near mouth of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila. for 1857, p. 135. 



2105. Planorbis (Bathyomphalus) amplexus (Meek and Hay- 

 den.) Paratypes. 

 Laramie (Cret.) Near mouth of Judith River, Montana. 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 539. 



9005. Planorbis cirratus White. Cotypes. 



Green River (Eocene). Three miles east of Table Rock 

 Station, Wyoming. 



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

 p. 44, pi. 19, figs. 5a-c; Third Ann. Rept. U. S. Geol. Surv., 

 1883, p. 448, pi. 29, fig. 7. 



1 1 2546. Planorbis conanti Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1S90, 

 p. 20, pi. 10, fig. 1, ia. 



1985. Planorbis convolutus Meek and Hayden. Holotype and 



2167. paratypes. 



Laramie(Cret. ) . Little Horn and Powder rivers, Montana. 



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

 120.— Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 536, 

 pi. 42, figs. 12a, 12b. 



2176. Planorbis convolutus var. Meek and Hayden. Cotypes. 



Laramie (Cret. ) . Little Horn and Powder rivers, Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 538, pi. 42, 

 figs, na-e.— White, Third Ann. Rept. U. S. Geol. Surv., 1883, 

 p. 447, pi. 27, fig 16. 



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