Greger-Eublastoidea 151 
Pentremites chesterensis HAMBACH, ROWLEY. 
1903, Contributions to Indiana Paleontology, vol. 1, pt. 12, p. 
117, pl. 36, figs. 7-11. 
Kaskaskia Group; Big Clifty, Bowling Green, Kentucky. 
Pentremites conoideus Hatt. 
1856, Transactions, Albany Institute, vol. 4, p. 5 
St. Louis limestone; Spergen Hill, Bloomington, Indiana. 
Pentremites conoideus HALL. 
1858, Report on the Geological Survey of Iowa, vol. 1, pt. 2, 
p. 655, pl. 22, figs. 8, 9, 10. 
Miss. Warsaw limestone; Spergen Hill and Bloomington, In- 
diana. 
Pentremites conoideus HALL, SHUMARD. 
1858, Transactions, St. Louis Academy of Science, vol. 1, pt. 
2, pp. 243, 246, pl. 9, fig. 4. 
Pentremites conoideus HaLL, SHUMARD. 
1865, Transactions, St. Louis Academy of Science, vol. 2, No. 2, 
pp. 383-384. 
Pentremites conoideus Hat, BIL.incs. 
1869, American Journal of Science, vol. 48, p. 81, fig. 15. 
Pentremites conoideus Hatt, MEEK. 
1873, —— Survey of the Territories, 6th Ann. Rept., 
470 (not figured). 
Cie Divide between Ross Fork and Lincoln Valley, 
Montana. 
Pentremites conoideus HaL., WHITE. 
1880, Second Annual Report, Department of Statistics and 
Geology, Indiana, p. 512, pl. 7, fig. 12. 
Pentremites conoideus Hai, WHITFIELD. 
1882, Bulletin American Museum of Natural History, vol. 1, No. 
3, pp. 43-44, pl. 9, figs. 32, 33. 
Pentremites conoideus HAL. 
1883, Twelfth Annual Report, Department of Geology and Natural 
History, Indiana, p. 323, pl. 32, fig. 32. 
Pentremites conoideus HALL, KEYEs. 
1894, Missouri Geological Survey Paleontology, vol. 4, p. 134, 
pl. 18, fig. 5. 
Keokuk limestone; Boonville, Mo. 
