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Polytaxis
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Tetrataxidae
Formal Genus Name and Reference:
Polytaxis Cushman & WATERS, 1928, *535, p. 51
Type Species:
P. laheei, OD
Images
(Click to enlarge in a new window)
Fig. 253,5. *P. laheei, Penn., USA(Tex.), 5a-c, spiral, umbilical, and edge views of holotype, X19 (*2117).
Synonyms
Geographic Distribution
U.Carb., N.Am.-Eu.(Carnic Alps)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Test low conical, similar to Tetrataxis in early stage, later spreading, with numerous small chambers to whorl, aperture on umbilical side, ?several. [The aperture is not clearly distinguishable on the type-specimen, although the genus was described as having several elongate "entral openings. Polytaxis sp. of PAYARD (. 1432), from the Jurassic belongs to the agglutinated genus Tritaxis in the Trochamminidae.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Tetrataxidae
Formal Genus Name and Reference:
Polytaxis Cushman & WATERS, 1928, *535, p. 51
Type Species:
P. laheei, OD
Images
(Click to enlarge in a new window)
Fig. 253,5. *P. laheei, Penn., USA(Tex.), 5a-c, spiral, umbilical, and edge views of holotype, X19 (*2117).
Synonyms
Geographic Distribution
U.Carb., N.Am.-Eu.(Carnic Alps)
Age Range
Beginning Stage in Treatise Usage:
U.Carb.
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
U.Carb.
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Test low conical, similar to Tetrataxis in early stage, later spreading, with numerous small chambers to whorl, aperture on umbilical side, ?several. [The aperture is not clearly distinguishable on the type-specimen, although the genus was described as having several elongate "entral openings. Polytaxis sp. of PAYARD (. 1432), from the Jurassic belongs to the agglutinated genus Tritaxis in the Trochamminidae.]