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Home Latest Update :  3 Tuesday April 2012
Other Genus
OrderFORAMINIFERIDA
Sub OrderROTALIINA
Super FamilyNONIONACEA
FamilyALMAENIDAE
Sub FamilyALMAENINAE
Genus ALMAENA

ALMAENA Samoylova. 1940
 
 
type species: Almaena taurica Samoylova,1940; OD(M).Almaena Samoylova. 1940(*2720), p. 377.
Kelyphistoma Keijzer.1945(*1668), p. 207; type species:Kelyphistoma ampulioloculata Keijzer. 1945: OD.Planalinella Sigal, 1949 (*2915), p. 158; type species:Planalinella escornebovensis Sigal. 1949; OD. Almaena (Planalinella) Sigal, 1950(*2916)), p. 70 (nom.trans].).Almaena (Kelyphistoma) Sigal, 195012916). p. 71 (nom. transl. ).Test laterally compressed, enrolled in a low trochospiral to nearly planispiral coil, bievolute, commonly eight to nine chambers in the final whorl, sutures curved to nearly straight, thickened and may be elevated, periph­ery asymmetrically bicarinate, one keel lying in the peripheral plane and the other parallel­ing the periphery a short distance to one side: wall calcareous, coarsely perforate. with non-perforate peripheral keels, apertural face and septa, surface smooth or may have elevated sutures: aperture oval to slitlike, interiomarg­inal and equatorial but may be slightly asym­metrical, with narrow bordering lip, a sec­ondary slitlike opening between the two keels at the peripheral angle, bordered by an imper­forate lip and closed in earlier chambers by additional shell material. U. Eocene to Mio­cene; France: Netherlands: Germany: Austria: Hungary; USSR: Crimea: Cuba.
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