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

Nonion micrus

Citation: Nonion micrus Cole 1927
Rank: species
Type locality: 12km E. of Potrero, Vera Cruz, Mexico
Type sample and level: Guayabal formation
Holotype Repository: Washington; USNM

Linked specimens: USNM-243208

Current identification/main database link: Pseudohastigerina micra (Cole 1927)

Original Description
"Test small, compressed, strongly umbilicate, slightly lobate; sutures depressed, 6-8 chambers composing the last formed coil; shell wall very thin, rather coarsely perforate; aperture at the base of the last chamber, large.

Size: Diameter 0.2-0.3 mm. Thickness 0.1 mm.

Extra details from original publication
Remarks: This small Nonion occurs rather frequently at all horizons in the Guayabal. It ranges also into the Chapapote.Its compressed, thin walled lobate chambers make it easy to recognize.""


Cole, W. S. (1927). A foraminiferal fauna from the Guayabal formation in Mexico. Bulletins of American Paleontology. 14(51): 1-36. gs :: ::


Nonion micrus compiled by the pforams@mikrotax project team viewed: 8-7-2020

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