154 POTTS VILLE FAUNA OP OHIO 



PHYLUM COELENTERATA 



Class Anthozoa 

 Genus Lophophyllum Milne-Edwards and Haime 



Lophophyllum profundum (Milne-Edwards and Haime) 



PI. VI, figg. 5, 6 



1851 Cyathaxonia profunda. Milne-Edwards and Haime, Monog. des Polyp. Foss., 

 p. 323. 

 Carboniferous: Flint Ridge, Ohio. 



Description. Lophophyllum profundum is the only coral found 

 among the collections of Pottsville fauna of this State. It is 

 common and widely distributed in the Pottsville formation above and 

 including the Lower Mercer limestone and extends upward in its strati- 

 graphic range to the top of the Conemaugh formation. Specimens are 

 always small in size, an individual of average size from the Lower 

 Mercer limestone measuring: length 16 mm.; width at mouth of calyx 

 10.5 mm. 



Horizon and locality. Widely distributed throughout the Lower 

 Mercer, McArthur, and Black Flint members, c. Upper Mercer mem- 

 'ber: Perry County, Locality 62, r; Coshocton County, Locality 71, 

 c; Mahoning County, Locality 75, r. 



PHYLUM ECHINODERMATA 



Class Crinoidea 



Genus Eupachycrinus Meek and Worthen 

 Eupachycrinus mooresi (Whitfield) 



PL VI, figs. 7, 8 



1882 Zeacrinus mooresi. Whitfield, Ann. N. Y. Acad. Sci., Vol. 2, p. 227. 



Coal Measures: Carbon Hill, Hocking Co., Ohio. 

 1895 Zeacrinus mooresi. Whitfield, Geol. Surv. Ohic, Vol. VII, p. 483, PI. 11, Figs. 6-10. 



Coal Measures: Carbon Hill, Hocking Co., Ohio. 



Description. Spines of a crinoid closely resembling those de- 

 scribed by Whitfield on the second radial plates of Zeacrinus mooresi 

 are not uncommon in the Boggs and Lower Mercer members. Whit- 

 field's description of these spines, which he obtained from Carbon Hill, 

 Hocking County, is quoted below: 1 



Whitfield, R. T., Geol. Surv. Ohio, Vol. VII, p. 483, 1895. 



