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Home Latest Update :  3 Tuesday April 2012
Other Genus
OrderFORAMINIFERIDA
Sub OrderMILIOLINA
Super FamilyCORNUSPIRACEA
FamilyCORNUSPIRIDAE
Sub FamilyCALCIVERTELLINAE
Genus CALCIVERTELLA

CALCIVERTELLA Cushman and Waters, 1928
 
Type species: Calcivertella adherens Cushman and Waters, 1928; OD.
Calcivertella Cushman and Waters. 1928 (*857), p. 48.

1

encircled by gradually enlarging tubular undivided second chamber that later uncoils, growing in numerous closely appressed zig­zag bends and finally rectilinear; wall calcar­eous, imperforate, porcelaneous; aperture at the open end of the tube. U. Carboniferous Stephanian), Virgilian; USA: Texas.
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