Catalog - Globigerina angulata

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina angulata White 1928

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: pf_cat -> G -> Globigerina -> Globigerina angulata
Other pages this level: << < G. aequabilis, G. aequatorialis, G. aequilateralis, G. aequilateralis involuta, G. affinis, G. alanwoodi, G. almadenensis, G. alpigena, G. altispira, G. ampliapertura, G. ampliapertura cancellata, G. anconitana, G. angipora, G. angiporoides, G. angiporoides minima, G. angulata, G. anguliofficinalis, G. antarctica, G. antillensis, G. apertura, G. applanata, G. aptica, G. aquiensis, G. arabica, G. archaeobulloides, G. ariakensis, G. aspensis, G. aspera, G. asperula, G. atlantica, G. atlantis> >>

Globigerina angulata

Citation: Globigerina angulata White 1928
Rank: Species
Type specimens: 19876
Type age (chronostrat): P4
Type locality: Velasco Fm., Mexico, Zone P4
Type repository: New York; AMNH - Columbia University Collection now at the American Museum of Natural History

Current identification/main database link: Morozovella angulata (White 1928)

Original Description

Test rotaliform, dorsal side flat, ventral side convex, umbilicate, periphery sharply angled; chambers few, usually four or five in the last whorl, inflated, rapidly increasing in size; sutures distinct, curved, deep, not limbate; wall granular or subspinose, very finely perforate; aperture an elongate opening extending from the umbilicus almost to the peripheral margin and sometimes provided with a narrow lip.

Diameter of type specimen, 0.35 mm.; height, 0.25 mm.


Extra details from original publication
Occurrence: This species is generally found, as a rare form in all horizons from the base of the Velasco up into the the middle portion of that formation.
The species is a transitional form from Globigerina to Globorotalia, differing from G. crassaformis in having a sharply angled periphery.
Most species of Globigerina show innumerable transition stages from one species to another. The more carefully these variations are observed the closer the correlations which may be made. Identification with literature is difficult, as most fossil species have been erroneously compared with Recent forms.

Editors' Notes


White, M. P. (1928). Some Index Foraminifera of the Tampico Embayment Area of Mexico. Journal of Paleontology. 2(3): 177-215. gs


Globigerina angulata compiled by the pforams@mikrotax project team viewed: 6-12-2022

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