58 



SYNOPSIS OF AMERICAN FOSSIL 15KACHI0P0DA. 



[BDIX. 87. 



Table VII, — Carboniferoua and Permian Brachiopoda — Continued. 



Species. 



Chonetes parva Shumard 



Chonetes permiana Shumard 



Chonetes planumbona Meek and Worthen — 



Chonetes platynotus "White 



Chonetes piilchella A. Winchell 



tChonetes setigera (Hall) 



Chonetes shumardiana de Koninck 



Chonetes tumida Herrick , 



Chonetes variolata d'Orbigny 



Chonetes verneuiliana Norwood and Pratten . 



Chonetes vorneuiliana utahensis Meek 



Chonopectus fischeri (Norwood and Pratten) 



Cleiothyris clintouensis (Swallow) 



Cleioth yris crassicardinalis (White) 



Cleiothyris hirsnta (Hall) 



CleiothjTis missouriensis (Swallow) , 



Cleiothyris obmaxima (McChesney) 



Cleiothyris obvia (McChesney) 



Cleiothyris orbicularis (McChesney) , 



Cleiothyris reflexa (Swallow) 



Cleiothyris roissyi (L'EveiUe) 



Cleiothyris squamosa (Worthen) , 



Crania chesterensis MiUer and Gurley 



Crania ItBvis Keyes 



Crania modesta White and St. John 



Crania (?) permiana Shumard 



Crania reposita White 



Crania rowleyi Gurley 



Cryptacanthja compacta White and St. John , 



t Cryptonella ( ?) eudora Hall 



Cryptonella ( ?) inconstans (Herrick) 



Cryptonella subeUiptica Hall and Clarke 



Cryptonella alta Hall 



Cy rtina acutirostris (Shumard) 



Cyrtina burlingtonensis (Rowley) 



Cyrtina lachrymosa Hall and Clarke 



Cyrtina neogenes Hall and Clarke 



Cyrtina triplicata Simpson 



I»erbya affinis Hall and Clarke 



Derbya bennetti Hall and Clarke 



Derbya biloba Hall 



Derbya broadheadi Hall and Clarke 



Derbya ( ?) costatula Hall and Clarke 



Derbya crassa (Meek and Hayden) 



Derbya cymbula Hall and Clarke 



Derbya kaskaskiensis (McChesney) 



Derbya kookuk Hall 



Derbya pratteni (McChesney) 



Derbya robusta (Hall) 



Derbya ruginosa Hall and Clarke 



Eocarboniferous. 



Kinder- 

 hook. 



Keo- 

 kuk, 

 Bur- 

 lington, 



X 

 X 



X 

 X 



X 

 X 

 X 



Kaskas- 



kia, 

 St. Louis. 



K 



Meso- I Neo- 

 carbon- \ carbon- 

 il'erous. iferous. 



Coal 

 Meas- 

 ures. 



K 



B 



Ka 



SL, Ka 



K 



B 



B 



Ka 



SL 



SL, Ka 



SL 



Ka 



B 



K 



Ka 



Ka 



K 



X 

 X 



X 

 X 

 X 



X 

 X 



X 

 X 

 X 



x 



X 

 X 



X 



X 



Per- 

 mian. 



