TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 171 



2183. Corbula subtrigonalis Meek and Hayden. Holotype and 



paratypes. 

 L,aramie (Cret.). Mouth of Judith River, Montana. 



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

 116.— Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 529, 

 pi. 40, figs, 3a, 3b. — White, Third Ann. Rept. U. S. Geol. Surv., 

 18S3, p. 442, pi. 19, fig. 10. 



See Corbicula erassatelliformis. 



22901. Corbula subtrigonalis Meek and Hayden. Plesiotypes. 



Colorado (Cret.). Bear River City, Wyoming. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 123, pi. 27, 

 figs. 7, 8. 



8107. Corbula subtrigonalis Meek and Hayden. Plesiotypes. 



L,aramie (Cret.). Crow Creek, northern Colorado. 



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

 Pt. I, p. 80, pi. 25, figs. 6a-c; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 442, pi. 19, figs. 11-13. 



8109. Corbula subtrigonalis tropidophora (Meek). Cotypes. 



Montana (Cret.). Near Point of Rocks Station, Wyoming. 



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

 Pt. I, p. 80, pi. 25, fig. 6f; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 442, pi. [9. fig. 15. 



See Corbula tropidophora. 



114862a. Corbula ( Cuneocorbula ) swiftiana nuculeata Dall. 



Holotype. 

 Oligocene. Alum Bluff, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 

 855, pi. 36, fig. 17. 



154501. Corbula ( Bothrocorbula ) synarmostes Dall. Cotypes. 



Oligocene. Chipola River, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 

 850., pi. 36, figs. 12, 13. 



8109. Corbula tropidophora Meek. Cotypes. 



Montana (Cret.). Point of Rocks, Wyoming. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 (1873), 



P- 514- 

 = Corbula subtrigonalis tropidophora. 



9060. Corbula undifera Meek. Plesiotypes. 



Laramie (Cret.). Rock Springs Station, Wyoming. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 (1873), p. 

 513.— White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 

 1878 (1883), Pt. I, p. 80, pi. 29, figs. 4a-f; Third Ann. Rept. 

 U. S. Geol. Surv., 1883, p. 442, pi. 18, figs. 6-9. 



9056. Corbula undifera subundifera White. Cotypes. 



Montana (Cret.). Point of Rocks, Wyoming. 



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

 Pt. I, p. 81, pi. 29, figs. 5a-c; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 442, pi. 18, figs. 10-ir. 



