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Globoquadrina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globigerinidae
Subfamily:
Globigerininae
Formal Genus Name and Reference:
Globoquadrina FINLAY, 1947, *717e, p. 290
Type Species:
Globorotalia dehiscens Chapman, Parr, & COLLINS, 1934, *326, p. 569, OD
Images
(Click to enlarge in a new window)
Fig. 539,6. *G. delziseens (CHAPMAN, PARR, & COLLINS), Mia., Australia; 6a-e, opposite sides and edge view of hypotype, X107 (*I64). -- Fig. 539,5. G. altispira (CUSHMAN & JARVIS), Mio., Jamaica; umbilical view of holotype, showing prominent umbilical toothlike projections comprising apertural flaps of final whorl of chambers, X54 (*164)
Synonyms
Geographic Distribution
Australia-N.Z.-Carib.
Age Range
Beginning Stage in Treatise Usage:
U.Eoc.
Beginning International Stage:
Priabonian
Fraction Up In Beginning Stage:
0
Beginning Date:
37.71
Ending Stage in Treatise Usage:
Mioi.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test free, trochospiral, umbilicate, aperture interiomarginal, umbilical, covered above by apertural flap which may vary from narrow rim to elongate toothlike projection, and in openly umbilicate forms earlier apertures remain open into umbilicus. [Globoquadrina differs from Globigerina in having prominent apertural flaps covering each aperture.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globigerinidae
Subfamily:
Globigerininae
Formal Genus Name and Reference:
Globoquadrina FINLAY, 1947, *717e, p. 290
Type Species:
Globorotalia dehiscens Chapman, Parr, & COLLINS, 1934, *326, p. 569, OD
Images
(Click to enlarge in a new window)
Fig. 539,6. *G. delziseens (CHAPMAN, PARR, & COLLINS), Mia., Australia; 6a-e, opposite sides and edge view of hypotype, X107 (*I64). -- Fig. 539,5. G. altispira (CUSHMAN & JARVIS), Mio., Jamaica; umbilical view of holotype, showing prominent umbilical toothlike projections comprising apertural flaps of final whorl of chambers, X54 (*164)
Synonyms
Geographic Distribution
Australia-N.Z.-Carib.
Age Range
Beginning Stage in Treatise Usage:
U.Eoc.
Beginning International Stage:
Priabonian
Fraction Up In Beginning Stage:
0
Beginning Date:
37.71
Ending Stage in Treatise Usage:
Mioi.
Ending International Stage:
Messinian
Fraction Up In Ending Stage:
100
Ending Date:
5.34
Description
Test free, trochospiral, umbilicate, aperture interiomarginal, umbilical, covered above by apertural flap which may vary from narrow rim to elongate toothlike projection, and in openly umbilicate forms earlier apertures remain open into umbilicus. [Globoquadrina differs from Globigerina in having prominent apertural flaps covering each aperture.]