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Subbotina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Globigerinacea
Family:
Globigerinidae
Subfamily:
Globigerininae
Formal Genus Name and Reference:
Subbotina Brotzen & POZARYSKA, 1961, 243, p. 160
Type Species:
Globigerina triloculinoides PLUMMER, 1927, *1461, p. 134, OD
Images
(Click to enlarge in a new window)
Fig. 539, 3. *S. triloculinoides (Plummer), Midway., USA (Tex.), 3a-c, opposite sides and edge view of topotype, X73 (*1174).
Synonyms
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
Paleoc.(Dan.)
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test trochospiral, chambers increasing rapidly in size and strongly inflated, sutures depressed, wall calcareous, perforate, radial in structure, surface reticulate or pitted, rather than spinose, aperture umbilical-extraumbilical, with distinct lip. [Originally defined solely on the basis of wall surface, the present genus apparently ineludes species which are closely similar in form and apertural character. The coarsely pitted surface is found in species with low and slightly extraumbilical aperture and distinctive lip, none of which are found in typical Globigerina.]
References
Brotzen, Fritz, , \& Pozaryska, K. 1961, Foraminifères du Paléocène et de l'Êocène inférieur en Pologne septentrionale remarques paleogéographiques: Revue Micropaléont., v. 4, no. 3, p. 155-166, pl. 1-4.
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:
Subbotina Brotzen & POZARYSKA, 1961, 243, p. 160
Type Species:
Globigerina triloculinoides PLUMMER, 1927, *1461, p. 134, OD
Images
(Click to enlarge in a new window)
Fig. 539, 3. *S. triloculinoides (Plummer), Midway., USA (Tex.), 3a-c, opposite sides and edge view of topotype, X73 (*1174).
Synonyms
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
Paleoc.(Dan.)
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test trochospiral, chambers increasing rapidly in size and strongly inflated, sutures depressed, wall calcareous, perforate, radial in structure, surface reticulate or pitted, rather than spinose, aperture umbilical-extraumbilical, with distinct lip. [Originally defined solely on the basis of wall surface, the present genus apparently ineludes species which are closely similar in form and apertural character. The coarsely pitted surface is found in species with low and slightly extraumbilical aperture and distinctive lip, none of which are found in typical Globigerina.]
References
Brotzen, Fritz, , \& Pozaryska, K. 1961, Foraminifères du Paléocène et de l'Êocène inférieur en Pologne septentrionale remarques paleogéographiques: Revue Micropaléont., v. 4, no. 3, p. 155-166, pl. 1-4.