176 Trans. Acad. Sci. of St. Louis 
Pentremites (Troostocrinus?) woodmani MEEK and WoRTHEN 
1873, Illinois Geological Survey, vol. 5, p. 506, pl. 16, fig. 4. 
eokuk group; Salem, Indiana. 
Pentremites (Troostocrinus?) woodmani MEEK and WorTHEN, 
MEEK. 
1874, American Journal of Science (3), vol. 7, p. 375. 
Pentremites wortheni HAL. 
1858, Report on the Geological Survey of Iowa, vol. 1, pt. 2, pp. 
606-607, pl. 15, fig. 1. 
Mississippian Keokuk limestone; Keokuk, Iowa; Nauvoo, IIli- 
nois. 
Pentremites wortheni? Hatt, MEEK and WorTHEN. 
1873, Illinois Geological Survey, vol. 5, p. 506, pl. 14, fig. 11. 
eokuk group; Crawfordsville, Indiana. 
Pentremites (species undetermined) Rocers. 
1868, Geological Report Pennsylvania, vol. 2, p. 833, fig. 688. 
Pentremites sp. SImonps. 
1888, Arkansas Geological Survey, Annual Report, vol. 4, p. 92, 
sood cut (P. angustus). 
Pentremites sp.? Row_ey. 
1903, Contributions to Indiana Paleontology, vol. 1, pt. 12, p. 
119, pl. 36, fig. 13. 
Kaskaskia group; Crittenden County, Kentucky. 
PENTREMITIDEA 
Pentremitidea americana Barris. 
1886, sp ee ae Davenport Academy of Natural Science, vol. 
4, pp. 93-94, pl. 1, fig. 4. 
Hamilton group; Thunder Bay, Michigan. 
Pentremitidea? approximata RowLey. 
1902, Contributions to Indiana Paleontology, vol. 1, pt. 10, p. 
93, pl. 30, fig. 8 
Upper Devonian; Charlestown, Indiana. 
Pentremitidea (?) dubia Row .ey. 
1902, Contributions to Indiana Paleontology, vol. 1, pt. 10, pp. 
92-93, pl. 3, figs. 5-7, 11 
Upper Devonian; Charlestown, Indiana. 
