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Home Latest Update :  3 Tuesday April 2012
Other Genus
OrderFORAMINIFERIDA
Sub OrderROTALIINA
Super FamilyROTALIACEA
FamilyCHAPMANINIDAE
Genus FERAYINA

FERAYINA Frizzell, 1949

 

 

Type species: Ferayina corailiformis Frizzell, 1949: OD.

Ferayina Frizzell. 1949(*1186),p. 483. 492,Test conical, proloculus followed by three or four tiny chambers, then with rapidly enlarging saucerlike rectilinear chambers, septa horizontal, flat: wall of calcite by X-ray analysis, optically radial, finely perforate but with imper­forate flat apertural face, surface with low equidistant longitudinal costae, additional ribs intercalated with growth to maintain their constant spacing: aperture consisting of numer­ous rounded openings on the terminal face at the end of hollow pillars that extend to the previous septum. M. Eocene; USA: Texas, California; Ecuador; Peru.

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