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Guembelitria
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Heterohelicidae
Subfamily:
Guembelitriinae
Formal Genus Name and Reference:
Guembelitria CUSHMAN, 1933, *458, p. 37
Type Species:
G. cretacea, OD
Images
(Click to enlarge in a new window)
Fig. 523,1. *G. cretacea, U.Cret., USA(Tex.); 1a,b, side, top views of holotype, X312 (*1303)
Synonyms
Gümbelitria
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test triserial throughout, chambers inflated, globular, sutures distinct, depressed, aperture an interiomarginal arch at base of last-formed chamber
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Heterohelicidae
Subfamily:
Guembelitriinae
Formal Genus Name and Reference:
Guembelitria CUSHMAN, 1933, *458, p. 37
Type Species:
G. cretacea, OD
Images
(Click to enlarge in a new window)
Fig. 523,1. *G. cretacea, U.Cret., USA(Tex.); 1a,b, side, top views of holotype, X312 (*1303)
Synonyms
Gümbelitria
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test triserial throughout, chambers inflated, globular, sutures distinct, depressed, aperture an interiomarginal arch at base of last-formed chamber