TYPE SPECIMENS OF INVERTEBRATE FOSSILS. (Ul 



6531. Spirifer cameratus Morton. Plesiotypes. 



6985. Upper Carboniferous. Near and at Nebraska City, 



Nebra.sk a. 



Meek. Final Rept. l". S. Geol. vSurv., Neb. (Hayden), 1872, p. 1S3, 

 pi. 6, fig. 12; pi. 8, fig. 15. 



See vSpirifer inaequicostatus and S. triplicata. 



645. Spirifer cameratus Morton. Plesiotype. 



Upper Carl)onifcrous. Summit of Spring Pass, east of 

 Eureka, Nevada. 



Meek, Rept. Kxpl. Great Basin of Utah, Simpson, 1876, p. 353, 

 pi. 2, fig. 3b. 



See Spirifer (Trigonotreta) cameratus. 



8502. Spirifer cameratus Morton. Plesiotypes. 



9164. Upper Carboniferous. Santa Fe, New Mexico, and Mad- 



ison County, Iowa. 



White, Rept. U. vS. Geogr. vSurv. W. looth Merid., IV, Pt. I, 1876, 

 p. 132, pi. 10, figs. la-id. 



645. Spirifer (Trigonotreta) cameratus (Morton). Plesiotype. 

 Upper Carboniferous. Sunnnit of Spring Pass, east of 

 Eureka, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 91, 

 pi. 9, figs. 2, 2a. 



= Spirifer cameratus. 



17923. Spirifer cedarensis Owen. Holotype. 



Middle Devonian. Two and one-half miles below Rock- 

 ingham, Iowa. 



Owen, Rept. Geol. Surv. Wis., Iowa, and ^linn., 1852, pi. 3, fig. 5. 



= Spirifer iowensis. 



14224. Spirifer centronata Winchell. Plesiotypes. 



Waverly (Miss.). Dry Canyon, Oquirrh Mts., Utah. 



Hall and Whitfield, Rept. U. vS. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 254, pi. 4, figs. 5, 6.— Girt,v, Mon. XXXII, Pt. II, 

 U. S. Geol. Surv., 1899, p. 547, pi. 70, fig. 3b. 



See Spirifer albapinensis. 



8532. Spirifer centronatus Winchell. Plesiot5'pes. 



Lower Carboniferous. Mountain Spring, Old Mormon 

 Road, Nevada. 



White, Rept. U. S. Geogr. Surv. W. looth Merid., IV, Pt. I, 1S76, 

 p. 86, pi. 5, figs. 8a-8c.— Girty, Mon. XXXII, Pt. II, U. S. 

 Geol. Surv., 1899, p. 547, pi. 70, fig. 3a. 



See Spirifer albapinensis. 



35185. Spirifer centronatus semifurcatus Girty. Cotypes. 



Madison (Miss.). Crowfoot Ridge, Yellowstone National 

 Park. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1S99, p. 549, pi. 70, 

 fig. 4a. 



