Fauna of the Morrow Group 
237 
1858. Euomphalus rugosus. Hall, Geol. Iowa, vol, 1, pt. 2, p. 722, pi. 29, 
figs. 14a“C. 
Coal Measures : Illinois. 
1866, Serpula (Spirorbis) Planorhites. Geinitz, Garb, und Dyas in Nebr., 
p. 3, tab. 1, fig. 6. 
Nebraska. 
1872. StraparoUus (Euomphalus) rugosus. Meek, U. S. Geol. Surv. 
Nebr., p. 230, pi. 6, figs. 5a-b; pi. 11, figs. la-b. 
Upper Coal Measures: Nebraska City, Rock Bluff, Aspinwall, and 
Cedar Bluff, Nebraska. 
Coal Measures: Kansas; Missouri; Iowa; Illinois. 
1873. StraparoUus (Euomphalus) subrugosus. Meek and Worthen, Geol. 
Surv. 111., vol. 5, p. 607, pi. 29, fig. 11. 
Coal Measures: Springfield, Illinois. 
1874. Euomphalus rugosus. Meek, Am, Jour. Sci., 3rd ser., vol. 7, p. 58'3, 
1884. Euomphalus (StraparoUus) subrugosus. Walcott, Pal. Eureka 
Disk, p. 255, pi. 18, fig. 19. 
Lower Carboniferous: Eureka District, Nevada. 
1884. Euomphalus rugosus. White, 13th Rep. Geol, Surv. Ind., p. 161 , 
pi. 32, figs, 11, 12, 
Coal Measures: Indiana. 
1888. Euomphalus rugosus. Keyes, Proc. Acad. Nat, Sci., Phil., p. 241. 
Lower Coal Measures: Des Moines, Iowa. 
1891. StraparoUus catilloides. Keyes, Proc, Acad. Nat. Sci., Phil., p. 255. 
Lower Coal Measures: Des Moines, Iowa. 
1894. StraparoUus catilloides. Keyes, Mo. Geol. Surv., voL 5, p. 160. 
Upper Coal Measures: Kansas City, Missouri; Atchison, Kansas. 
1903. Euomphalus catilloides. Girty, Prof. Paper, U. S. Geol. Surv,, No. 
16, p. 465. 
Middle portion of Hermosa formation: San Juan region, Colorado. 
Top of Hermosa formation: Dolores River region, Sinbad’s Valley, 
Colorado. 
Maroon formation: Crested Butte district, Colorado. 
1910. Euomphalus catilloides. Raymond, Ann. Carnegie Mus., vol. 7, p. 
157, pi. 25, fig. 5. 
Brush Creek limestone: Donohoe, Pennsylvania. 
1911, Euomphalus catilloides. Raymond, Penn. Topog. and Geol. Surv. 
Comm., Rep. for 1908-10, pi. 5, fig. 7. 
Brush Creek limestone: Donohoe, Pennsylvania. 
1914. ScMzostoma catilloides. Price, West Va. Geol. Surv., Preston 
County Rep., p. 637. 
Ames limestone: Throughout the county. 
Brush Creek limestone: At nearly all the localities examined. 
This species is represented from three localities by four speci- 
mens, none of which is quite complete. They seem to be m 
