Catalog - Heterohelix stenopos <title>Catalog - Heterohelix stenopos

CATALOG OF ORIGINAL DESCRIPTIONS: Heterohelix stenopos Masters 1976

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 -> H -> Heterohelix -> Heterohelix stenopos
Other pages this level: H. (Chiloguembelina) pseudotessera directa, H. (Heterohelix) planeobtusa, H. dentata, H. fayose, H. hohenemsensis, H. ivandeklaszi, H. labellosa, H. navarroensis, H. nkporoensis, H. olssoni, H. orientalis, H. pachymarginata, H. pseudoglobulosa, H. pseudoreussi, H. robusta, H. rumseyensis, H. sphenoides, H. stenopos, H. striata aegyptiaca, H. suwalkensis, H. trochospiralis, H. varsoviensis, H. virgata, H. vistulaensis

Heterohelix stenopos

Citation: Heterohelix stenopos Masters 1976
Rank: Species
Type repository: Washington; USNM

Linked specimens: USNM-184704 USNM-184703

Current identification/main database link: Planoheterohelix stenopos (Masters 1976)

Original Description

Test biserial, laterally compressed, un-keeled; elongate; minimal increase in width throughout; profile slightly lobate. Chambers 16-17 in number; only slightly inflated; each succeeding chamber but little larger than previous one, wider than deep. Pores of fine to moderate diameter in rows between costae. Costae discontinuous, of moderate width and height; conforming to the curvature of the chamber as viewed from the side. Aperture a low, narrow arch with an imperforate lip, which increases in width toward contact with previous chamber. The sides of the relict apertural lips expressed as depressed triangular areas between adjacent chambers. Sutures straight, depressed, normal to edge, imperforate.



Extra details from original publication

Editors' Notes


Masters, B. A. (1976). Planktonic foraminifera from the Upper Cretaceous Selma group, Alabama. Journal of Paleontology. 50(2): 318-330. gs


Heterohelix stenopos compiled by the pforams@mikrotax project team viewed: 31-1-2023

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