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Baggina

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Rotalina
    Superfamily:  
Discorbbacea
    Family:  
Discorbidae
    Subfamily:  
Baggininae
    Formal Genus Name and Reference:  
Baggina CUSHMAN, 1926, *426, p. 63
    Type Species:  
*B. californica, OD


Images

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Fig. 462,1. *B. californica, Mio., USA(Calif.), 1a-c, opposite sides and edge view of paratype, X56 (*2117).


Synonyms



Geographic Distribution

cosmop.


Age Range

    Beginning Stage in Treatise Usage:  
Cret.
    Beginning International Stage:  
Berriasian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
143.1
    Ending Stage in Treatise Usage:  
Rec.
    Ending International Stage:  
Meghalayan
    Fraction Up In Ending Stage:  
100
    Ending Date:  
0


Description

Test free, subglobular, trochospiral, chambers few, rapidly enlarging and somewhat overlapping on spiral side, with closed umbilicus on opposite side, wall calcareous, perforate, radial in structure, aperture a broad umbilical opening below clear, nonperforate lunate area in face of final chamber. [Baggina differs from Cancris in having an open aperture without a lip, and in being somewhat involute on the spiral side. ]




References



Museum or Author Information