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Karreriella

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Textulariina
    Superfamily:  
Lituolacea
    Family:  
Ataxophragmiidae
    Subfamily:  
Globotextulariinae
    Formal Genus Name and Reference:  
Karreriella CUSHMAN, 1933, *458, p. 34
    Type Species:  
Gaudryina siphonella Reuss, 1851, *1541, p. 78, OD


Images

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Fossil ImageFossil Image
Fig. 186,2,3. *K. siphonella (REUSS), M.Oligo., Eu.(Ger.); 2a,b, side and edge views of large microspheric topotype; 3, side view of megalospheric topotype; all X40 (*2117). --Fig. 186,4. K. apicularis (CUSHMAN), Rec., Pac.O.; 4a,b, side, top views, X42 (*200). --Fig. 186, 5. K. catenata (CUSHMAN), Rec., Pac.O.; 5a-c, side, base, and top views, X112 (*2117).


Synonyms

Karrerulina


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, elongate, early chambers in trochoid spire of one or more whorls, followed by well-developed biserial stage, which may be slightly twisted about its axis; wall finely agglutinated, smoothly finished; aperture rounded, in terminal face of final chamber, bordered by lip or produced on distinct slender neck.




References



Museum or Author Information