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Globigerina

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Rotalina
    Superfamily:  
Globigerinacea
    Family:  
Globigerinidae
    Subfamily:  
Globigerininae
    Formal Genus Name and Reference:  
Globigerina D'ORBIGNY, 1826, *1391, p. 277
    Type Species:  
G. bulloides, SD Parker, Jones, & BRADY, 1865, *1419, p. 36


Images

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Fossil Image
Fig. 536,1. *G. bulloides, Rec., Adriatic Sea (Porto Corsini, Italy), 1a-c, opposite sides and edge view of hypotype, X87 (*164).


Synonyms

Globigenera


Geographic Distribution

cosmop


Age Range

    Beginning Stage in Treatise Usage:  
Paleoc.
    Beginning International Stage:  
Danian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
66.04
    Ending Stage in Treatise Usage:  
Rec.
    Ending International Stage:  
Meghalayan
    Fraction Up In Ending Stage:  
100
    Ending Date:  
0


Description

Test free, trochospiral, chambers spherical to ovate, wall calcareous, perforate, radial in structure, surface may be smooth, pitted, cancellated, hispid or spinose, aperture interiomarginal, umbilical, with tendency in some species to extend to slightly extraumbilical position, previous apertures remaining open into umbilicus.




References



Museum or Author Information