THE NEBRASKA PERMIAN 



371 



A TABLE GIVING THE KANSAS AND NEBRASKA (AND IN PART THE 

 TEXAS) PERMIAN INVERTEBRATE GENERA AND THEIR DISTRI- 

 BUTION IN THE FOREIGN PERMIAN 



Anthozoa. 



Zaphraitis . . 



Chaetetes .... 

 Echinoidea. 



Arch aeocida ris 

 Annelida. 



Spirorbis 



Bryozoa. 



Fene stella .... 



Polypora 



Septopora .... 



Khombopora . . 



Fistulipora . . . 

 Brachiopoda. 



Orbiculoidea . . 



Product us .... 



Chonetes 



Or this 



Derbya 



hnteletes .... 



Ambocoelia . . . 



Seminula .... 

 Pelecypoda. 



Aviculopecten . 



Avicula 



Pseudomonotis 



Pinna 



Macrodon .... 



My alma .... 



Nuculana . . . 



Nucula 



Yoldia 



Bakevellia . . . 



Schizodus 



Pleurophorus . 



Scaldia 



Edmondia. . . . 



Solenomya . . . 



Ceromya ? . ... 



Sedgwichia . . . 



Chaenomya . . 



Allorisma . . . 



Glauconema . 

 Schaphopoda. 



Denlalium . . . 

 Gasteropoda. 



Bellerophon . . 



Loxonema ? . . 



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