Catalog - Globorotalia perforataminuta Catalog - Globorotalia perforataminuta

CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia perforataminuta Hussey 1949

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 -> Globorotalia -> Globorotalia perforataminuta
Other pages this level: << < G. nicobarica, G. nicolae, G. nicoli, G. obesa, G. occlusa, G. opima continuosa, G. opima nana, G. opima opima, G. orientalis, G. oscitans, G. palmerae, G. paniae, G. pentacamerata, G. perclara, G. perconigi, G. perforataminuta, G. pertenuis, G. petaliformis, G. planocompressa, G. planocompressa evoluta, G. planocompressa planocompressa, G. planoconica, G. planoconvexa, G. platispira, G. pliozea, G. praemargaritae, G. praemenardii, G. praemiocenica, G. praenartanensis, G. praepseudomenardii, G. pseudochapmani> >>

Globorotalia perforataminuta

Citation: Globorotalia perforataminuta Hussey 1949
taxonomic rank: species
Type specimens: Holotype slide no. 2595.
Type sample (& lithostrat): Claiborne , Cane River formation (at least in part to the Weches formation of Texas and the Enterprise greensand of Hississippi); Sample No. 123, chocolate-brown shale and greensand with some lignite
Type age (chronostrat): Eocene
Type locality: Sample No. 123, at 1486' in Louisiana Oil and Refining Co. Tremont No. 2, 312'5" east and 345' north of the southwest corner of the Sec. 29, T. 10 N., R. 2 E., La Salle Parish, Louisiana.
Type repository: Baton Rouge: Louisiana State University,

Current identification:


Original Description

Test small for the genus, trochoid, biconvex, umbilicate; periphery acute to slightly keeled; chambers in early portion indistinct, later distinct, slightly inflated; sutures distinct in later stage, slightly depressed ; wall calcareous, hyaline, coarsely perforate for the size of the species; aperture on ventral side, large, extends into umbilicus, almost completely hidden by lip.

Size:
Dimensions of holotype: diameter 0.19 mm.; thickness 0.11 mm.

Extra details from original publication
The small size and comparatively coarse perforations distinguish this species.

References:

Hussey, K. M. (1949). Louisiana Cane River Eocene foraminifera. Journal of Paleontology. 23: 109-144. gs


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Globorotalia perforataminuta compiled by the pforams@mikrotax project team viewed: 2-3-2024

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