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


Superfamily ROTALIACEA Ehrenberg, 1839
 
Rotaliacea Loeblich and Tappan, 1961 (*1902), p. 303, nom. corr. pro superfamily Rotalidea.
Rotalidea Glaessner, 1945(*1250), p. 143. nom. transl. ex family Rotalina.Rotalaridia Rhumbler, in Kükenthal and Krumbach. 1923(*1752), p. 88 (family group).Rotaliidea Strout, 1954 (\'3008), p. 40.
Rotaliicae Brönnimann. 1958(*384), p. 175. Rotalioidea Ayala-Castanares, 1963(*101), It. 87. Elphidiidea Saidova. 1981 (*2696), p. 53.Test enrolled in a trochospiral or planispiral coil, involute to evolute, commonly with many small chambers in numerous whorls; as new chambers are added septal flap attaches to previous apertural face and encloses radial canals, fissures, umbilical cavities, and intraseptal and subsutural canals; wall of perforate, hyaline calcite, generally optically radial in structure, or rarely hyaline oblique and optically granular; primary aperture single or multiple, interiomarginal to areal, may be absent on final chamber and only an intercameral fora-men is present; small openings into the canal system may occur along the sutures but do not communicate with the chamber interior. U. Cretaceous (Coniacian) to Holocene.
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