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Home Latest Update :  3 Tuesday April 2012
Other Genus
OrderFORAMINIFERIDA
Sub OrderROTALIINA
Super FamilyDISCORBACEA
FamilyBAGGINIDAE
Sub FamilySEROVAININAE
Genus ROTAMORPHINA

ROTAMORPHINA Finlay. 1939

 

 

type species: Rotamorphina cushmani Finlay. 1939 (syn.: Valvulineria teuriensis Loeblich and Tappan, 1964 (*1910), p. C-587, nom. nov. pro R. cushmani Finlay. 1939, non Valvulineria cushmani Coryell and Embich, 19371; OD.Rotamorphina Finlay. 1939 (*1128), p. 325.Test biconvex, trochospiral, chambers enlarging rapidly as added, six to seven per whorl, sutures flush and oblique on the spiral side, depressed and radial on the umbilical side, periphery rounded: wall calcareous. thin, surface smooth: aperture a low extraumbilical­umbilical arch on the umbilical side, covered by an umbilical flap from the final chamber. U. Cretaceous (Campanian); cosmopolitan.

 

Remarks: As Rotamorphina is recognized as a distinct genus rather than a synonym of Valvulineria. the type species is no longer a secondary junior homonym of V. cushmani Coryell and Embich and is correctly known as Rotamorphina cushmani.

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