Catalog - Nuttallides rudis Catalog - Nuttallides rudis

CATALOG OF ORIGINAL DESCRIPTIONS: Nuttallides rudis Todd 1970

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: bf_cat -> N -> Nuttallides -> Nuttallides rudis
Other pages this level: N. concentricus, N. rudis, N. subtruempyi

Nuttallides rudis

Citation: Nuttallides rudis Todd 1970
Taxonomic rank: species
Type species: pl. 4, fig. 1a-c, holotype, no. 687524. 
Described on page(s) : A11
Type specimens: pl. 4, fig. 1a-c, holotype, no. 687524. 
Type sample (& lithostrat): in a tuffaceous and partly weathered limestone. 
Type age (chronostrat): Lower Tertiary, Upper Eocene
Type locality: An outcrop on a terrace 400 feet above sea level one-fourth of a mile north of Vaingana, southern Eua Island, Tonga, South Pacific Ocean. 
Type repository: USNM

Linked specimens: USNM-643555 USNM-687524

Current identification/main database link: Nuttallides rudis Todd 1970


Original Description

Test biconvex, close-coiled, consisting of 2-1/2 to 3 whorls; ventral umbilicus closed by a plug of shell material, periphery sharp, not lobulated, not keeled; chambers distinct, numerous, about 12 making up the final whorl, not much increasing in size as added, not inflated; sutures distinct, spiral suture thickened, indistinct in the initial stage, dorsal sutures straight and tangential, ventral sutures straight and radial, slightly indented at their outer ends; wall smooth; aperture extending from the ventral plug almost to the periphery with a deep re-entrant just inward from the periphery. 

Size:
Diameter 0.65-0.70 mm.; thickness 0.36-0.39 mm. 
0

References:

Todd, R. (1970). Smaller foraminifera of Late Eocene age from Eua, Tonga. In, . U.S. Geological Survey, Professional Paper . 640-A: 1-23. gs

logo

Nuttallides rudis compiled by the bforams@mikrotax project team viewed: 13-8-2026

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/bforams/index.php?id=2502434 Go to Archive.is to create a permanent copy of this page - citation notes
bforams@mikrotax has been supported by US IODP Science Support Program and by the Geologic TimeScale Foundation
TSClogo Usssp_Logo_RGB_Rev-sm



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!