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Pellatispira

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Reticularea
    Subclass:  
Granuloreticulosia
    Order:  
Foraminiferida
    Suborder:  
Rotalina
    Superfamily:  
Rotaliacea
    Family:  
Nummulitidae
    Subfamily:  
Nummulitinae
    Formal Genus Name and Reference:  
Pellatispira BOUSSAC, 1906, *178, p. 91
    Type Species:  
P. douvillei ( = Nummulites madaraszi HANTKEN, 1876, *863, p. 75, OD


Images

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Fossil Image
Fig. 520,2. *P. madaraszi (Hantken), Italy, 2a, ext. view, X7; 2b,c, med., transv. secs., X11 (*178)"


Synonyms

Vacuolispira


Geographic Distribution

Eu.-Indo-Pac.Reg.


Age Range

    Beginning Stage in Treatise Usage:  
Eoc.
    Beginning International Stage:  
Ypresian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
56
    Ending Stage in Treatise Usage:  
Eoc.
    Ending International Stage:  
Priabonian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
33.9


Description

Median layer single, composed of a loose coil of chambers separated by canaliferous shell material, covering walls thick, coarsely perforate




References

Boussac, Jean, 1906, Développement et morphologie de quelques Foraminifères de Priabona: Soc. géol. France, Bull., ser. 4, v. 6, pt. $2-3$, p. 89-97, pl. 1-3.-(179) 1911, Etudes paléontologiques sur le nummulitique alpin: Mém. Carte Géol. France, 437 p. 22 pl.


Museum or Author Information