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Valvulineria
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Discorbbacea
Family:
Discorbidae
Subfamily:
Baggininae
Formal Genus Name and Reference:
Valvulineria CUSHMAN, 1926, *426, p. 59
Type Species:
V. californica, OD
Images
(Click to enlarge in a new window)
Fig. 462,5-7, 463. *V. californica, Mio., USA(Calif.), 462,5a-c, opposite sides and edge view, 462,6,7, umbilical sides showing more extensive umbilical flaps, all X49 (*2117), 463, horiz. sec. showing monolamellar radial structure, X100 (*1529). -- Fig. 462,8. V. teuriensis Loeblich & Tappan, nom. nov., U. Cret.(Teurian), N.Z., 8a-c, opposite sides and edge view, X44 (*2117)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.(Alb.)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral, umbilicate, periphery rounded, chambers increasing gradually in size, sutures radial, thickened, wall calcareous, finely perforate, radial in structure, monolamellid, surface smooth, aperture interiomarginal, extraumbilical-umbilical, with broad thin apertural flap projecting over the umbilicus
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Discorbbacea
Family:
Discorbidae
Subfamily:
Baggininae
Formal Genus Name and Reference:
Valvulineria CUSHMAN, 1926, *426, p. 59
Type Species:
V. californica, OD
Images
(Click to enlarge in a new window)
Fig. 462,5-7, 463. *V. californica, Mio., USA(Calif.), 462,5a-c, opposite sides and edge view, 462,6,7, umbilical sides showing more extensive umbilical flaps, all X49 (*2117), 463, horiz. sec. showing monolamellar radial structure, X100 (*1529). -- Fig. 462,8. V. teuriensis Loeblich & Tappan, nom. nov., U. Cret.(Teurian), N.Z., 8a-c, opposite sides and edge view, X44 (*2117)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.(Alb.)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test free, trochospiral, umbilicate, periphery rounded, chambers increasing gradually in size, sutures radial, thickened, wall calcareous, finely perforate, radial in structure, monolamellid, surface smooth, aperture interiomarginal, extraumbilical-umbilical, with broad thin apertural flap projecting over the umbilicus