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Pseudostaffella

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Fusulinina
    Superfamily:  
Fusulinacea
    Family:  
Fusulinidae
    Subfamily:  
Fusulininae
    Formal Genus Name and Reference:  
Pseudostaffella Thompson, 1942, *1919, p. 407
    Type Species:  
P. needhami, OD


Images

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Fossil ImageFossil ImageFossil Image
Fig. 311,3a-c. *P. needhami, Cuchillo Negro F., USA (N.Mex.) ; 3a,b, axial sees. of paratypes, X50; 3c, axial sec. of holotype, X50 (*1922).


Synonyms



Geographic Distribution

N.Am.-S.Am.-Eu. Asia


Age Range

    Beginning Stage in Treatise Usage:  
U.Carb.(M.Penn.)
    Beginning International Stage:  
Moscovian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
315.15
    Ending Stage in Treatise Usage:  
U.Carb.(M.Penn.)
    Ending International Stage:  
Moscovian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
307.02


Description

Shell spherical, umbilicate, early volutions of most species asymmetrical to outer ones but symmetrical in some forms; spirotheca composed of tectum with upper and lower tectoria, or, in advanced forms, of tectum and diaphanotheca with upper and lower tectoria; septa unfluteJ; chomata massive, large (*1919, *1928).




References



Museum or Author Information