PART I 
CHAZYAN AND RELATED BRACHIOPODS—COOPER 
ANNOTATED LIST OF GENERA AND SPECIES—Continued 
Species 
P. ? magna Cooper 
P. prona (Raymond) 
P. trentonensis (Hall) 
Petrocrania sp. I 
Petrocrania ? sp. 2 
Petrocrania sp. 3 
Petroria rugosa Wilson 
Philhedra depressa Cooper 
P. ferruginea Cooper 
P. minor Cooper 
Philhedra ? sp. 1 
Phragmorthis buttsi Cooper 
P. crassa Cooper 
Pionodema camerata Cooper 
P. circularis (N. H. Winchell) 
P. conradi (N. H. Winchell) 
P. crassipunctata Cooper 
P. minnesotensis Cooper 
P. minuscula Willard 
P. sinuata Okulitch 
P. subaequata (Conrad) 
P. sulcata Cooper 
P, tennesseensis Cooper 
SPECIES 
Stage Formation 
Porterfield Effna 
Marmor Crown Point, 
Mingan 
Trenton Martinsburg 
(Salona) 
Wilderness Ridley, Dryden 
Porterfield Liberty Hall 
Porterfield Bromide 
(Mountain Lake) 
Probably Beaverfoot 
Canadian 
Porterfield Prosser 
Wilderness Red Knobs 
Porterfield Pierce 
Porterfield Bromide 
(Mountain Lake) 
Porterfield Effna-Rich Valley, 
Pratt Ferry, 
Arline, 
Liberty Hall 
Trenton Martinsburg 
(Salona) 
Wilderness Sevier 
(Bacon Bend) 
Trenton Decorah (Ion) 
Wilderness Platteville 
(McGregor) 
Porterfield Benbolt 
Trenton Decorah (Ion?) 
Wilderness Lebanon, Hatter, 
Camp Nelson, 
Witten 
Wilderness Chaumont 
Wilderness Decorah 
(Spechts Ferry, 
Guttenberg), 
Auburn, 
Barnhart 
Wilderness Nealmont, Cane 
Creek 
Trenton Hermitage 
Geographic 
location 
Va. 
INGYES St: 
Lawrence 
River, 
Quebec 
Va. 
Ga., Tenn. 
Va. 
Okla. 
British 
Columbia 
Wis. 
Tenn. 
Tenn. 
Okla. 
Ala., Tenn., 
Va. 
We 
Tenn. 
Iowa, Minn., 
Wis. 
Iil., Minn., 
Wis. 
Va. 
Minn. 
Tenn., Pa., 
Ky., Va. 
Quebec 
Towa, Minn., 
Wis., Mo. 
Pa.) Vaz 
Tenn. 
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995 
