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.
Citation: Globigerina druryi Akers 1955Rank: speciesType specimens: Holotype no. 106Type sample (& lithostrat): (core 11,257-11,267 feet) of Humble Oil and Refining Company Ellender No. 1Type age (chronostrat): Miocene Cibicides carstensi var. opimus zoneType locality: Section 23, Township 19 South, Range 19 East, Lirette Field, Terrebonne Parish, Louisiana. Type repository: Washington; USNM - originally deposited in the California Company Collection, New Orleans, Louisiana Ê.
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
Globigerina druryi compiled by the pforams@mikrotax project teamviewed: 21-3-2023
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