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Hedberg, H. D. (1937). Foraminifera of the Middle Tertiary Carapita Formation of Northeastern Venezuela. Journal of Paleontology. 11: 661-697.
185502
Hedberg, H. D.
1937
Foraminifera of the Middle Tertiary Carapita Formation of Northeastern Venezuela
Journal of Paleontology
11: 661-697
Publication
A large tauna of Foraminifera from the Carapita formation, about 9,000 feet thick, in northeastern Venezuela, is described. New species of Bathysiphon, Ammodiscus, Textularia, Heterostomella?, Rzehakina, Sigmoilina, Planularia, Marginulina, Nodosaria, Saracenaria, Bulimina, Uvigerina, Valvulineria, Eponides, Cassidulina, Globigerina, Anomalina and new varieties of Bolivina are described. Detailed consideration of the environment of deposition leads to the conclusion that the Carapita sediments were laid in rather deep but quiet water; also, it is believed that facies is more important than geologic age in determining the composition of a Tertiary foraminiferal fauna. Correlations with described foraminiferal deposits of surrounding territory are discussed.
Date action by
Ammodiscus parianus Hedberg, 1937 † (original description)
Anomalina nolani Hedberg, 1937 † (original description) Bathysiphon carapitanus Hedberg, 1937 † (original description) Bolivina aenariensis var. carapitana Hedberg, 1937 † (original description) Bolivina alazanensis var. venezuelana Hedberg, 1937 † (original description) Bulimina bleeckeri Hedberg, 1937 † (original description) Cassidulina carapitana Hedberg, 1937 † (original description) Globigerina venezuelana Hedberg, 1937 † accepted as Dentoglobigerina venezuelana (Hedberg, 1937) † (original description) Heterostomella halconi Hedberg, 1937 † (original description) Nodosaria pariana Hedberg, 1937 † (original description) Planularia venezuelana Hedberg, 1937 † (original description) Rzehakina venezuelana Hedberg, 1937 † (original description) Saracenaria senni Hedberg, 1937 † (original description) Sigmoilina orinocoensis Hedberg, 1937 † (original description) Textularia grenadana Hedberg, 1937 † (original description) Uvigerina carapitana Hedberg, 1937 (original description) Valvulineria venezuelana Hedberg, 1937 † (original description) |