CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina druryi Akers 1955

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 druryi
Other pages this level: << < G. cristatiformis, G. cryophila, G. cyclostoma, G. danica, G. danvillensis, G. daubjergensis, G. decepta, G. depressa, G. depressa d’Orbigny, G. detrita, G. difformis, G. digitata, G. dinodensis, G. diplostoma, G. dissimilis, G. druryi, G. druryi decoraperta, G. dubia, G. dubia lakiensis, G. dubiata, G. dudrouensis, G. dutertrei, G. eamesi, G. edita, G. edita polycamera, G. eggeri, G. eggeriformis, G. elburganica, G. elevata, G. elongata, G. elongata Shutskaya, > >>

Globigerina druryi

Citation: Globigerina druryi Akers 1955
Rank: species
Type locality: Section 23, Township 19 South, Range 19 East, Lirette Field, Terrebonne Parish, Louisiana.
Type age: Miocene Cibicides carstensi var. opimus zone
Type sample and level: (core 11,257-11,267 feet) of Humble Oil and Refining Company Ellender No. 1
Holotype Repository: Washington; USNM - originally deposited in the California Company Collection, New Orleans, Louisiana Ê.
Type & figured specimens: Holotype no. 106

Linked specimens: USNM-4750 USNM-4751

Current identification/main database link: Globoturborotalita druryi (Akers, 1955)


Original Description
Test small, trochoid, largely composed two convolutions, the last of which consists of four subglobular chambers; periphery broadly rounded and lobate; wall coarsely perforate; aperture a small low arch with a thin upper lip at the base of the last chamber. 

Size: Height of holotype, 0.28 mm.; width, 0.26 mm.; thickness, 0.20 mm.

Etymology: Named for Mr. R. J. Drury of the California Company

Extra details from original publication
The small size, distinctly small aperture, and coarse perforations serve to distinguish this species from others of the genus.
It is a valuable index fossil in the Cibicides carstensi var. opimus zone

References:

Akers, W. H. (1955). Some planktonic foraminifera of the American Gulf Coast and suggested correlations with the Caribbean Tertiary. Journal of Paleontology. 29(4): 647-664. gs

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Globigerina druryi compiled by the pforams@mikrotax project team viewed: 30-3-2020

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