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Eovolutina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Nodosinellidae
Subfamily:
Umbellininae
Formal Genus Name and Reference:
Eovolutina ANTROPOV, 1950, *25, p. 29
Type Species:
E. elementa, OD
Images
(Click to enlarge in a new window)
Fig. 235,4. *E. clcmenta, Frasn., sectioned specimen, X140 (*1509).
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
M. Dev.(Givet.)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
U. Dev.(Famenn.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Test globular, with 2 chambers, later (outer) chamber completely overlapping proloculus, wall calcareous, aperture simple, at one end of chamber
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Fusulinina
Superfamily:
Endothyracea
Family:
Nodosinellidae
Subfamily:
Umbellininae
Formal Genus Name and Reference:
Eovolutina ANTROPOV, 1950, *25, p. 29
Type Species:
E. elementa, OD
Images
(Click to enlarge in a new window)
Fig. 235,4. *E. clcmenta, Frasn., sectioned specimen, X140 (*1509).
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
M. Dev.(Givet.)
Beginning International Stage:
Givetian
Fraction Up In Beginning Stage:
0
Beginning Date:
385.3
Ending Stage in Treatise Usage:
U. Dev.(Famenn.)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Test globular, with 2 chambers, later (outer) chamber completely overlapping proloculus, wall calcareous, aperture simple, at one end of chamber