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Flabellammina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Lituolinae
Formal Genus Name and Reference:
Flabellammina CUSHMAN, 1928, *436, p. 1
Type Species:
*F. alexanderi, OD
Images
(Click to enlarge in a new window)
Fig. 154,1-3. *F. alexanderi, L.Cret.(Alb.), USA(Tex.), *, side, top views of microspheric, finely agglutinated specimen, *, side views of coarsely agglutinated microspheric and megalospheric specimens, * (*2117). --Fig. 154,4. F. rugosa Alexander & Smith, L.Cret.(Alb.), USA(Tex.), long. sec. showing simple interior, * (*11).
Synonyms
Geographic Distribution
N.Am.-Eu.
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:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test elongate, compressed, early stage coiled, later uniserial, with broad, low chevron-shaped chambers, wall coarsely agglutinated, simple walls and septa, aperture terminal, rounded to ovate. [Flabellammina differs from Ammobaculites in having compressed, equitant uniserial chambers.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Textulariina
Superfamily:
Lituolacea
Family:
Lituolidae
Subfamily:
Lituolinae
Formal Genus Name and Reference:
Flabellammina CUSHMAN, 1928, *436, p. 1
Type Species:
*F. alexanderi, OD
Images
(Click to enlarge in a new window)
Fig. 154,1-3. *F. alexanderi, L.Cret.(Alb.), USA(Tex.), *, side, top views of microspheric, finely agglutinated specimen, *, side views of coarsely agglutinated microspheric and megalospheric specimens, * (*2117). --Fig. 154,4. F. rugosa Alexander & Smith, L.Cret.(Alb.), USA(Tex.), long. sec. showing simple interior, * (*11).
Synonyms
Geographic Distribution
N.Am.-Eu.
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:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test elongate, compressed, early stage coiled, later uniserial, with broad, low chevron-shaped chambers, wall coarsely agglutinated, simple walls and septa, aperture terminal, rounded to ovate. [Flabellammina differs from Ammobaculites in having compressed, equitant uniserial chambers.]