NO. 12 PERMIAN BRACHIOPODS FROM OREGON—COOPER 9 
P-number localities 
Pio. NE1SW:iNEI sec. 18, T. 19 S., R. 25 E., northeast of Coyote Butte. 
Alexenia? occidentalis Cooper Muirwoodia transversa Cooper 
Antiquatonia reticulata Cooper Probolionia posteroreticulata 
A. sulcata Cooper Cooper 
Cleiothyridina gerardi Rhynchopora magna Cooper 
(Diener ) Spiriferella draschei (Toula) 
Echinoconchus inexpectatus Squamularia rostrata (Kutorga) 
Cooper Stenoscisma biplicatoideum Cooper 
Kochiproductus transversus S. mutabile oregonense Cooper 
Cooper 
Krotovia parva Cooper 
K. pustulata (Keyserling) 
Pit. NE{SWiSW3 sec. 13, T. 19 S., R. 25 E., Tuckers Butte. 
Echinoconchus tnexpectatus Rostranteris merriami Cooper 
Cooper Squamularia rostrata (Kutorga) 
Kochiproductus transversus 
Cooper 
Pi2. Center NW4iSWiSW53 sec. 13, T. 19 S., R. 24 E., Tuckers Butte. 
Alexenia? occidentalis Cooper Dielasma brevicostatum Cooper 
Anidanthus minor Cooper Squamularia rostrata (Kutorga) 
Chonetes sp. I Waagenoconcha parvispinosa 
Cleiothyridina gerardi Cooper 
(Diener ) 
S-number localities 
S1. SWANW:NWS sec. 30, T. 18 S., R. 25 E., about 4 miles N. 35° W. of 
Sherman Ranch. 
Echinoconchus inex pectatus 
Cooper 
S4. See S46. 
S12. NWiSW1NWS5 sec. 6, T. 19 S., R. 25 E., about 24 miles N. 69° W. of 
Sherman Ranch. 
Alexenia? occidentalis Cooper Proboscidella? carinata Muir-Wood 
Antiquatomia sulcata Cooper and Cooper 
Avonia oregonersis Cooper Pseudomartinia berthiaumet Cooper 
Kochiproductus transversus P. aff. P. semiglobosa 
Cooper (Tschernyschew) 
Margimfera? profundosulcata  Spiriferella draschei (Toula) 
Cooper 
Probolionia posteroreticulata 
Cooper 
S14. Center ESSELSE4 sec. 1, T. 19 S., R. 24 E., 4 mile northeast of 
Homestead. 
Avonia oregonensis Cooper Linoproductus cf. L. lutkewitschi 
Echinoconchus inex pectatus (Stepanow) 
Cooper Stenoscisma mutabile oregonense 
Cooper 
