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Lake Bridgeport, Texas, USA
    33.23' N, 97.84 E
Pennsylvanian
Chico Ridge limestone FM assumed to be from the Lake Bridgeport shales

               
the raw material is provided by John M. Maurice
               

Ammobaculites sp.
--- 
Ammobaculites recta
Brady, 1876 
Ammobaculites recta
Brady, 1876 
Apterrinella grahamensis
(Harlton, 1928) 
   
Calcitornella elongata
Cushman and Waters, 1928 
Calcitornella heathi
Cushman and Waters, 1928 
Calcitornella heathi
Cushman and Waters, 1928 
Calcitornella heathi
Cushman and Waters, 1928 
   
Earlandia perpava
Plummer, 1930 
Earlandia perpava
Plummer, 1930 
Endothyra sp.
--- 
Endothyra sp.
--- 
   
Glomospira sp.
--- 
Glyphostomella triloculina
(Cushman and Waters, 1928) 
Reophax sp.
--- 
Tolypammina sp.
--- 
   
Tolypammina sp.
--- 
Tolypammina sp.
--- 
Tolypammina sp.
--- 
Tolypammina sp.
--- 
   
Tolypammina sp.
--- 
Tolypammina confusa
Galloway and Harlton, 1928 


accompanying fauna, not identified
Spicules and Conodont