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Globorotalia
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globorotaliidae
Subfamily:
Globorotaliinae
Formal Genus Name and Reference:
Globorotalia CUSHMAN, 1927, 431, p. 91
Type Species:
Pulvinulina menardii (D'ORBIGNY) var. tumida BRADY, 1877, *194, p. 535, OD
Images
(Click to enlarge in a new window)
Fig. 533,1. *G. tumida (BRADY). Post-Tert., W.Pac.O.(New Ireland); Ia-c, opposite sides and edge view. X44 (*164). --Flc. 533,2; 534. G. truncatulinoides (D'ORBIGNY), Rec.. .AtI.O.(Canary Is.), (533.2), .PaLO. (Bikini Atoll) (534); 533,2a-c, opposite sides and edge view of topotype, X70 (*164); 534, equal. sec. showing radial bilall1ellar wall structure, X75 (ยท1533). -- Fig. 533,3. G. pseudoscitula GLAESSNER, Paleoc., USA (N.J.) ; 3a-c. opposite sidcs and edge view, X73 (*1174). -- Fig. 533, 4,5. G. membranacea (EHRENBERG), Plio., Eu. (Sicily); 4, lectotype, here designated, enlarged ('680); 5a-c, opposite sides and edge view of topotype, X 79 ('2117)
Synonyms
G. (Truncorotalia)
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, trochospiral, periphery carinate, chambers angular, rhomboid, or angular-conical; sutures may be thickened, depressed to elevated; wall calcareous, finely perforate, but with nonporous keel or peripheral band, surface smooth to cancellate or hispid; aperture interiomarginal, an extraumbilical-umbilical arch bordered by lip, varying from narrow rim to broad spatulate or triangular flap.
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globorotaliidae
Subfamily:
Globorotaliinae
Formal Genus Name and Reference:
Globorotalia CUSHMAN, 1927, 431, p. 91
Type Species:
Pulvinulina menardii (D'ORBIGNY) var. tumida BRADY, 1877, *194, p. 535, OD
Images
(Click to enlarge in a new window)
Fig. 533,1. *G. tumida (BRADY). Post-Tert., W.Pac.O.(New Ireland); Ia-c, opposite sides and edge view. X44 (*164). --Flc. 533,2; 534. G. truncatulinoides (D'ORBIGNY), Rec.. .AtI.O.(Canary Is.), (533.2), .PaLO. (Bikini Atoll) (534); 533,2a-c, opposite sides and edge view of topotype, X70 (*164); 534, equal. sec. showing radial bilall1ellar wall structure, X75 (ยท1533). -- Fig. 533,3. G. pseudoscitula GLAESSNER, Paleoc., USA (N.J.) ; 3a-c. opposite sidcs and edge view, X73 (*1174). -- Fig. 533, 4,5. G. membranacea (EHRENBERG), Plio., Eu. (Sicily); 4, lectotype, here designated, enlarged ('680); 5a-c, opposite sides and edge view of topotype, X 79 ('2117)
Synonyms
G. (Truncorotalia)
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Test free, trochospiral, periphery carinate, chambers angular, rhomboid, or angular-conical; sutures may be thickened, depressed to elevated; wall calcareous, finely perforate, but with nonporous keel or peripheral band, surface smooth to cancellate or hispid; aperture interiomarginal, an extraumbilical-umbilical arch bordered by lip, varying from narrow rim to broad spatulate or triangular flap.