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Class: Miliolata    Subclass: Miliolana    Order: Cornuspirida    Family: Cornuspiridae
Apterrinella grahamensis (Harlton, 1928)
  Synonyms:
  
Tolypammina grahamensis Cushman & Waters, 1928used in: HAYW2011

Reference: HAYW2011  /  WFD AphiaID: 818016      
     Morphological Attributes:
Wallmaterial:
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Coiling:
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Aperture Form: , , ,
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identified by M. Hesemann   
Carboniferous    Pennsylvanian    
American South    Lake Bridgeport