Catalog - Nonion wilcoxensis

CATALOG OF ORIGINAL DESCRIPTIONS: Nonion wilcoxensis Cushman & Ponton 1932

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 -> N -> Nonion -> Nonion wilcoxensis
Other pages this level: N. danvillensis, N. iota, N. micrus, N. wilcoxensis

Nonion wilcoxensis

Citation: Nonion wilcoxensis Cushman & Ponton 1932
Rank: Species
Described on page(s) : 64
Type specimens: CC 16214; Pl. 8, figs. 11 a, b
Type sample (& lithostrat): Wilcox Fm
Type age (chronostrat): Eocene
Type locality: RR. [railroad?] cut, 1 mile N. of Ozark, Alabama
Type repository: Washington; USNM

Linked specimens: USNM-16214 USNM-58632

Current identification/main database link: Pseudohastigerina wilcoxensis (Cushman & Ponton 1932)

Original Description

Test small, bilaterally symmetrical, deeply umbilicate on both sides, periphery broadly rounded; chambers distinct, inflated, few, 5 or 6 in the last-formed coil; sutures distinct, depressed, straight; wall smooth, distinctly perforate; aperture an elongate curved opening at the base of the last-formed chamber in the median line. 

Length 0.25 mm.; breadth 0.18 mm.; thickness 0.12-0.15 mm.


Extra details from original publication
This is a small, rather distinctive species most nearly related to Nonion micrum Cole from the later Eocene.

Editors' Notes


Cushman, J. A. & Ponton, G. M. (1932a). An Eocene foraminiferal fauna of Wilcox age from Alabama. Contributions from the Cushman Laboratory for Foraminiferal Research. 8(3): 51-72. gs V O

Olsson, R. K. & Hemleben, C. (2006). Taxonomy, biostratigraphy, and phylogeny of Eocene Globanomalina, Planoglobanomalina n. gen and Pseudohastigerina. In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication. 41(Chap 14): 413-432. gs V O


Nonion wilcoxensis compiled by the pforams@mikrotax project team viewed: 8-8-2022

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics