BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 953 



Pentamerus oblongus subrectus Hall and Clarke. 



Pentamerus oblongus var. subrectus Hall and Clarke, Pal. New York, 8, pt. 2, 



1893, pp. 238, 239, pi. 68, figs. 2, 3, 8-10; pi. 70, fig. 5; 48th Rep. New York 



State Mus., 2, for 1895, 1897, p. 368, pi. 12, figs. 1-6; 14th Rep. State Gcol. 



New York for 1894, 1897, p. 368, pi. 12, figs. 1-6.— Grabau and Shinier, N. A. 



Index Fossils, 1, 1907, p. 275. 

 Niagaran: Earlville, Iowa. 



Pentamerus occidentalis Hall. See Conehidium Occident ;;le. 



Pentamerus ovalis Hall. 



Pentamerus ovalis Hall, Pal. New York, 2, 1852, p. 103, pi. 31, fig. 1.— Foerste 



Proc. Boston Soc. Nat. Hist., 24, 1800, p. 324, pi. 5, figs. 17, 18. 

 Clinton: New Hartford, Oneida County, New York; Cumberland Gap, Tennessee; 



Collinsville, Alabama. 



Pentamerus parvulus Savage. 



Pentamerus parvulus Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 78, pi. 5, figs. 



18-21. 

 Upper Medinan (Edgewood — Noix): Near Louisiana and Clarksville, Missouri; 



Hamburg, Illinois. 



Pentamerus pergibbosus Hall and Whitfield. 



Pentamerus pergibbosus Hall and Whitfield, Pal. Ohio, 2, 1875, p. 139, pi. 7, 



figs. 10, 11. — Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. 



Surv., 1889, p. 162— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 239, 



pi. 67, figs. 10, 14-19.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, 



p. 618, figs. 

 Niagaran: Greenfield, Ohio; Louisville, Kentucky; Wisconsin. 

 Plcsiotype— Cat. No. 51355, U.S.N.M. 



Pentamerus pesovis Whitfield. 



Pentamerus pesovis Whitfield, Ann. New York Acad. Sci., 2, 1882, p. 195; 5, 

 1891, p. 513, pi. 5, figs. 11-22; Geol. Ohio, 7, 1895, p. 414, pi. 1, figs. 18-22.— 

 Sherzer, Michigan Geol. Surv., 7, pt. 1, 1900, p. 224, pi. 17, figs. 18-22 — 

 Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 127, pi. 30, figs. 18-22. 



Lower Monroan (Greenfield?): Adams County, Ohio. 



Pentamerus reversus Billings. See Parastrophia reversa. 



Pentamerus similior Hall. See Spirifer? similior. 



Pentamerus trisinuatus McChesney. See Meristina trisinuata. 



Pentamerus uniplicatus Nettelroth. See Gypidula uniplicata. 



Pentamerus ventricosa Hall. See Clorinda ventricosa. 



Pentamorion Barrande. See Pentameroceras Hyatt. 



Pentatrematites Reinwardtii Roemer. See Troostocrinus reinwardti. 



Pentremites reinwardtii Troost. See Troostocrinus reinwardti. 



Pentremites subcylindrica Hall and Whitfield. See Troostocrinus subcylindrira. 



Periechocrinites Austin. See Periechocrinus Austin. 



PERIECHOCRINUS Austin. Genotype: Actinocrinus moniliformis J. S. Miller. 

 Periechocrinites Austin, Ann. Mag. Nat. Hist., 10, 1842, p. 109; ibid., 11, 1843, 

 p. 203. 



