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Globigerinatheka
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globigerinidae
Subfamily:
Catapsydracinae
Formal Genus Name and Reference:
Globigerinatheka BRÖNNIMANN, 1952, *226, p. 27
Type Species:
G. barri, OD
Images
(Click to enlarge in a new window)
Fig. 543,5. *G. barri, M.Eoc., 5a-c, opposite sides and edge of hypotype, X72 (*164)
Synonyms
Geographic Distribution
W.Indies(Trinidad)
Age Range
Beginning Stage in Treatise Usage:
M.Eoc.
Beginning International Stage:
Lutetian
Fraction Up In Beginning Stage:
0
Beginning Date:
48.07
Ending Stage in Treatise Usage:
U.Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, globular, early chambers trochospiral, as in Globigerina, later with large enveloping final chamber covering previous umbilical side, as in Orbulina, sutures depressed, radial, primary aperture interiomarginal, umbilical, but covered in adult by final enveloping chamber, secondary sutural apertures on spiral side, covered by small bullae, each with one or more infralaminal accessory apertures. [Globigerinatheka is similar to Globigerapsis but has bullae covering the sutural
apertures.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globigerinidae
Subfamily:
Catapsydracinae
Formal Genus Name and Reference:
Globigerinatheka BRÖNNIMANN, 1952, *226, p. 27
Type Species:
G. barri, OD
Images
(Click to enlarge in a new window)
Fig. 543,5. *G. barri, M.Eoc., 5a-c, opposite sides and edge of hypotype, X72 (*164)
Synonyms
Geographic Distribution
W.Indies(Trinidad)
Age Range
Beginning Stage in Treatise Usage:
M.Eoc.
Beginning International Stage:
Lutetian
Fraction Up In Beginning Stage:
0
Beginning Date:
48.07
Ending Stage in Treatise Usage:
U.Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, globular, early chambers trochospiral, as in Globigerina, later with large enveloping final chamber covering previous umbilical side, as in Orbulina, sutures depressed, radial, primary aperture interiomarginal, umbilical, but covered in adult by final enveloping chamber, secondary sutural apertures on spiral side, covered by small bullae, each with one or more infralaminal accessory apertures. [Globigerinatheka is similar to Globigerapsis but has bullae covering the sutural
apertures.]