Catalog - Parvularugoglobigerina perexigua <title>Catalog - Parvularugoglobigerina perexigua

CATALOG OF ORIGINAL DESCRIPTIONS: Parvularugoglobigerina perexigua Li et al. 1995

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 -> P -> Parvularugoglobigerina -> Parvularugoglobigerina perexigua
Other pages this level: P. alticonusa, P. perexigua

Parvularugoglobigerina perexigua

Citation: Parvularugoglobigerina perexigua Li et al. 1995
Rank: Species
Type specimens: PI. 2, figs 1-5
Type sample (& lithostrat): DSDP 152-10-1, 140-143cm
Type age (chronostrat): P. eugubina Zone, Early Danian
Type locality: Caribbean

Current identification:

Original Description

Test small, about 80 µm, low trochospiral, chamber subglobular, increasing rapidly, four chambers in the final whorl, wall smooth to weakly pustulate, rarely with pore mounds, aperture elongate, extraumbilical-peripheral, or extending to the upper part of the apertural face, with or without a thin lip.

Test small, about 80 µm


Extra details from original publication
Remarks. This species is proposed to include forms which have been widely misidentified as Globigerina fringa by several workers. Studies of Russian material by the Palaeogene Planktonic Foraminifera] Working Group, however, indicate that G. fringa belongs to the cancellate group (Olsson, 1992, pers. comm.) and should be considered a species of Eoglobigerina (Berggren, 1992). See above for notes on these two species.

Editors' Notes


Li, Q., McGowran, B. & Boersma, A. (1995). Early Palaeocene Parvularugoglobigerina and late Eocene Praetenuitella: does evolutionary convergence imply similar habitat? Journal of Micropalaeontology. 14: 119-134. gs V O


Parvularugoglobigerina perexigua compiled by the pforams@mikrotax project team viewed: 31-1-2023

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