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Globigerinelloides
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Planomalinidae
Formal Genus Name and Reference:
Globigerinelloides Cushman & Ten DAM, 1948, *501, p. 42
Type Species:
G. algeriana, OD
Images
(Click to enlarge in a new window)
Fig. 526,6. *G. algeriana, L.Cret.(Apt.), Algeria; 6a,b, side, edge views, X56 (*164). -- Fig. 526,7. G. eaglefordensis (MOREMAN), L.Cret. (Alb.), Eng.; 7a,b, side, edge views of holotype of Planomalina caseyi, X135 (*164)
Synonyms
Biticinella
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test free, planispiral, biumbilicate, involute to partially evolute, lobulate in outline; chambers rounded to ovoid, may be somewhat elongated in specimens tending to become evolute; sutures depressed, radial, straight to curved or sigmoid; wall calcareous, finely perforate, radial in structure, surface smooth or roughened; aperture a broad, low, interiomarginal equatorial arch, with lateral umbilical portions of successive apertures remaining open as relict apertures.
References
$\qquad$ \& Dam, Abraham ten, 1948, Globigerinelloides, a new genus of the Globigerinidae: Cushman Lab. Foram. Research, Contrib., v. 24, p. 42-43, pl. 8. $\qquad$ (502) 1948, Pseudoparrella, a new generic name, and a new species of Parrella: Same, Contrib., v. 24 , pt. 3, p. 49-50, pl. 9.
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Planomalinidae
Formal Genus Name and Reference:
Globigerinelloides Cushman & Ten DAM, 1948, *501, p. 42
Type Species:
G. algeriana, OD
Images
(Click to enlarge in a new window)
Fig. 526,6. *G. algeriana, L.Cret.(Apt.), Algeria; 6a,b, side, edge views, X56 (*164). -- Fig. 526,7. G. eaglefordensis (MOREMAN), L.Cret. (Alb.), Eng.; 7a,b, side, edge views of holotype of Planomalina caseyi, X135 (*164)
Synonyms
Biticinella
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test free, planispiral, biumbilicate, involute to partially evolute, lobulate in outline; chambers rounded to ovoid, may be somewhat elongated in specimens tending to become evolute; sutures depressed, radial, straight to curved or sigmoid; wall calcareous, finely perforate, radial in structure, surface smooth or roughened; aperture a broad, low, interiomarginal equatorial arch, with lateral umbilical portions of successive apertures remaining open as relict apertures.
References
$\qquad$ \& Dam, Abraham ten, 1948, Globigerinelloides, a new genus of the Globigerinidae: Cushman Lab. Foram. Research, Contrib., v. 24, p. 42-43, pl. 8. $\qquad$ (502) 1948, Pseudoparrella, a new generic name, and a new species of Parrella: Same, Contrib., v. 24 , pt. 3, p. 49-50, pl. 9.