PART I 
CHAZYAN AND RELATED BRACHIOPODS—COOPER 
ANNOTATED LIST OF GENERA AND SPECIES—Continued 
Species 
Acanthambonia minutissima 
Cooper 
A. virginiensis Cooper 
Acanthocrania cumberlandensis 
(Foerste ) 
A. erecta Cooper 
A. grandis Cooper 
A. granulosa (N. H. Winchell) 
A. oklahomensis Cooper 
A. setigera (Hall) 
A. spinosa Cooper 
A. subquadrata Cooper 
Acanthocrania sp. 1 
Acrotreta gemma Billings 
A. magna Cooper 
Ancistrorhyncha australis 
(Foerste) 
A. costata Ulrich and Cooper 
A. crassa Cooper 
A. globularis Cooper 
A. missouriensis Cooper 
A, ? perplexa Cooper 
A. ? vacua Cooper 
Anisopleurella inaequistriata 
Cooper 
A. tricostellata Cooper 
Anomalorthis lonensis 
(Walcott) 
SPECIES 
Stage Formation 
Porterfield Pratt Ferry 
Porterfield Botetourt ? 
Wilderness Wells 
Porterfield Bromide 
(Mountain Lake) 
Porterfield Benbolt 
Wilderness- Decorah 
Trenton 
Wilderness Bromide 
(Pooleville) 
Wilderness- Platteville 
Trenton Decorah 
Porterfield Edinburg 
(Liberty Hall) 
Porterfield Bromide 
(Mountain Lake) 
(Pooleville) 
Wilderness Lebanon 
Whiterock Table Head 
Whiterock Boulders of 
Mystic cgl. 
Wilderness Lebanon, Camp 
Nelson, Nealmont 
Wilderness Dryden, Ridley, 
Wardell, Hostler, 
Bromide, Pamelia, 
Plattin 
Wilderness Peery, Hostler, 
Wardell, Dryden 
Wilderness Bromide 
(Pooleville) 
Porterfield Rock Levee 
Marmor McLish 
Marmor Mingan 
Porterfield Whitesburg, 
Chatham Hill 
Porterfield Pratt Ferry 
Whiterock Upper Pogonip, 
Swan Peak 
Geographic 
location 
Ala. 
Okla. 
Wis. and Minn. 
Va. 
Okla. 
Tenn. 
Newfoundland 
Quebec 
Tenn., Pa. 
Tenn, Va., 
Pa Ark: 
Okla yY., 
Mo., Ga. 
Tenn. 
Okla. 
Mo. 
Okla. 
St. Lawrence 
River, 
Quebec 
Tenn., Va. 
Ala. 
Nev., Utah 
147 
Page 
212 
213 
284 
284 
284 
285 
285 
285 
285 
286 
286 
246 
246 
620 
621 
623 
624 
624 
625 
625 
805 
806 
392 
