CATALOG OF ORIGINAL DESCRIPTIONS: Praeglobotruncana modesta Bolli 1959

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 -> P -> Praeglobotruncana -> Praeglobotruncana modesta
Other pages this level: P. algeriana, P. barbui, P. biconvexa gigantea, P. clotensis, P. coarctata, P. compressa, P. crassa, P. gigantea, P. hagni, P. hansbollii, P. hessi compressiformis, P. hessi hessi, P. hilalensis, P. inermis, P. klausi, P. lehmanni, P. loeblichae, P. mattsoni, P. modesta, P. oraviensis, P. oraviensis trigona, P. pauliani, P. prahovae, P. primitiva, P. pseudoalgeriana, P. rohri, P. shirakinensis, P. stephani gibba,

Praeglobotruncana modesta

Citation: Praeglobotruncana modesta Bolli 1959
Rank: Species
Type locality: The junction of the waterfall branch of the Gautier River, a right-side branch of the Cunapo River, north of Chert Hill and 1.25 miles southeast of the Mamon Guaico-Tamana Road, Eastern Central Range, Trinidad T.W.I.
Type age: Cenomanian, Rotalipora appenninica appenninica zone.
Type sample and level: upper part of the Gautier Formation
Holotype Repository: Washington; USNM
Type & figured specimens: 626308

Linked specimens: USNM-626308

Current identification/main database link: Hedbergella modesta Bolli 1959


Original Description
Shape of test small, low trochospiral, equatorial periphery lobate, axial periphery rounded. Wall calcareous, finely perforate. Chambers small, spherical, about twelve to fifteen, arranged in two to three whorls; the seven to eight chambers of the last whorl increase slowly in size. Sutures radial, depressed on spiral and umbilical side. Unbilicus fairly wide. Aperture a low arch, interiomarginal, umbilical-extraumbilical. Coiling random.

References:

Bolli, H. M. (1959). Planktonic foraminifera from the Cretaceous of Trinidad, B. W. I. Bulletins of American Paleontology. 39(179): 253-277. gs :: ::


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Praeglobotruncana modesta compiled by the pforams@mikrotax project team viewed: 5-8-2020

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