Catalog - Reticulophragmoides Catalog - Reticulophragmoides

CATALOG OF ORIGINAL DESCRIPTIONS: Reticulophragmoides Gradstein & Kaminski, 1989

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 -> R -> Reticulophragmoides
Other pages this level: Ramulina, Rectuvigerina, Recurvoides, Reinholdella, Remesella, Reophanus, Reophax, Reticulophragmium, Reticulophragmoides, Reussella, Rhabdammina, Rhabdogonium, Rhizammina, Robulina, Robulus, Rosalina, Rotalia, Rotalina, Rotamorphina, Rumanoloculina, Rzehakina

Reticulophragmoides

Citation: Reticulophragmoides Gradstein & Kaminski, 1989
Taxonomic rank: genus
Type species: Reticulophragmoides jarvisi = Nonion jarvisi Thalmann, 1932
Described on page(s) : 79
Type age (chronostrat): Paleogene.
Type locality: North Atlantic.

Current identification/main database link: Reticulophragmoides Gradstein & Kaminski, 1989


Original Description

Test free, multilocular, planispirally coiled, with limbate sutures and umbilical boss. A blind tubular extension of the chamber protrudes into the umbilical region. Chambers may develop simple alveolar structure in later chambers. Aperture interiomarginal (Haplophragmoides-like), without a lip or supplementary pores.

Extra details from original publication
Remarks. – Reticulophragmoides, n. gen. is transitional in morphology between Haplophragmoides and Reticulophragmium. Its distinguishing feature is its limbate sutures and the blind umbilical tube. We recognize two species of Reticulophragmoides (R. jarvisi and R. sp. 5). The type species, Reticulophragmium jarvisi (Thalmann) evolved from a Haplophragmoides ancestor during the middle Paleocene. Younger specimens of R. jarvisi develop a few alveoles in later chambers. A second species from the upper Paleogene of the North Sea, Reticulophragmoides sp. 5, has more alveoles than R. jarvisi.

References:

Gradstein, F. M. & Kaminski, M. A. (1989). Taxonomy and biostratigraphy of new and emended species of Cenozoic deep-water agglutinated foraminifera from the Labrador and North Seas. Micropaleontology. 35(1): 72-92. gs

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Reticulophragmoides compiled by the bforams@mikrotax project team viewed: 18-7-2026

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