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Nankinella

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Fusulinina
    Superfamily:  
Fusulinacea
    Family:  
Staffellidae
    Formal Genus Name and Reference:  
Nankinella LEE, 1933[1934], *1120, p. 14
    Type Species:  
Staffella discoides LEE, 1931, *1119A, p. 286, OD


Images

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Fossil Image
Fig. 300,1a. N. sp., M.Penn. (Green Canyon Ls), USA(Tex., Powwow Canyon); outline drawing, X40 (01922). --Fig. 300,lb,c. N. plummeri THOMPSON, M.Penn. (Marble Falls Ls.), USA (Tex.); 1b, axial sec. of ho!otype, X50 (*1922); Ic, tang. sec. of paratype, X50 (*1922). --Fig. 300,1d. ON. discoides (LEE), Perm.(Chihsia Ls.), China(Nanking); tang. sec. of holotype, X15 (*1922). --Fig. 300,1e-g. N. kotakiensis (FUJIMOTO & KAWADA), L.Perm.(Omi Ls.), Japan(Niigata Pref.); 1e, near-centered axial sec., X40; 1f, eccentric axial sec., X40; 1g, axial sec., X40 (*756).


Synonyms



Geographic Distribution

N. Am.-Eu.-Asia


Age Range

    Beginning Stage in Treatise Usage:  
L.Penn.
    Beginning International Stage:  
Bashkirian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
323.4
    Ending Stage in Treatise Usage:  
U.Perm.
    Ending International Stage:  
Changhsingian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
251.9


Description

Test discoidal, with umbilicate axial areas, periphery angular to rounded in early part, angular at maturity, wall of tectum and diaphanotheca mineralized in all known forms, their original construction unknown, septa plane, chomata distinct (*756, *1120, *1922)




References



Museum or Author Information