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Psamminopelta

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Textulariina
    Superfamily:  
Lituolacea
    Family:  
Rzehakinidae
    Formal Genus Name and Reference:  
Psamminopelta Tappan, 1957, *1875, p. 211
    Type Species:  
P. bowsheri, OD


Images

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Fig. 133,6. *P. bowsheri, side view of holotype, X62 (*2117)


Synonyms



Geographic Distribution

N.Am.(Alaska)


Age Range

    Beginning Stage in Treatise Usage:  
L.Cret.
    Beginning International Stage:  
Berriasian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
143.1
    Ending Stage in Treatise Usage:  
U.Cret.
    Ending International Stage:  
Maastrichtian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
66.04


Description

Similar to Spirosigmoilinella but planispiral and evolute throughout and without any sigmoid development, aperture without tooth. [Differs from Rzehakina in being evolute and symmetrically planispiral in coiling.]




References

$\qquad$ Loeblich, A. R., Jr., \& Tappan, Helen, 1957, Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae, and Globotruncanidae: U.S. Natl. Museum, Bull. 215, p. 3-50, pl. 1-11, text-fig. 1-9.


Museum or Author Information