Catalog - Streptochilus globiger infirmirugosus

CATALOG OF ORIGINAL DESCRIPTIONS: Streptochilus globiger subsp. infirmirugosus Fordham 1986

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 -> S -> Streptochilus -> Streptochilus globiger infirmirugosus
Other pages this level: S. cetacensis, S. dubeyi, S. globiger infirmirugosus, S. inglei, S. latum, S. macdougallae, S. mascarenensis, S. pristinum, S. rockallkiddensis, S. subglobigerum, S. tasmanensis, S. tokelauae flexiserialis

Streptochilus globiger infirmirugosus

Citation: Streptochilus globiger subsp. infirmirugosus Fordham 1986
Rank: sub-species
Type specimens: UQF 71195.
Type age (chronostrat): Globorotalia puncticulata zone; lower Pliocene.
Type locality: DSDP 208-9-1 128-130 cm.
Type repository: Brisbane, Australia; U Queensland Univ.

Current identification:

Original Description

Small, fairly fragile; biserial. Equatorial outline oval, lobate; lateral outline acutely conical, moderately lobate. Chambers moderately globular and moderately rectangular, closely appressed, 12 in total; increase moderate and regular. Dorsal view: chambers circular, in a flat plane. Ventral view: aperture interiomarginal, circular but slightly elongated along plane of biseries, moderately wide, one side turned into chamber, other side flaring out, forming a lip. Lateral view: chambers moderately inflated; sutures moderately deeply depressed, straight, slightly sinuous between successive chambers. Wall weakly pustulose to weakly rugose in early chambers; ridges very low, do not form a distinct cross-cutting network.

Length, 105 µm; width, 70 µm; height, 180 µm.

Latin, infirmus, weak; rugosus, wrinkled.

Extra details from original publication
Description based on: Common material.
Holotype fig.: Fordham 1986 Pl. 1, fig. 115.

Editors' Notes


Fordham, B. G. (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Queensland, Australia. 1-224. gs


Streptochilus globiger infirmirugosus compiled by the pforams@mikrotax project team viewed: 30-11-2022

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