pforams@mikrotax - Parvularugoglobigerina sp. pforams@mikrotax - Parvularugoglobigerina sp.

Parvularugoglobigerina sp.


Classification: pf_cenozoic -> Guembelitrioidea -> Guembelitriidae -> Parvularugoglobigerina -> Parvularugoglobigerina sp.
Sister taxa: P. eugubina, P. extensa, P. alabamensis, P. sp.

Taxonomy

Taxonomic rank: generic level id

Catalog entries:

Distinguishing features:
Parent taxon (Parvularugoglobigerina): Small, moderate to low trochospire of 2½ whorls of (sub)globular chambers. Chambers gradually increase in size; 3½-7 chambers per whorl, separated by radial and depressed sutures on both spiral and umbilical sides. Umbilicus closed. Aperture umbilical to extraumbilical, comma-shaped arch to long narrow opening in nearly equatorial position; bordered by a slight lip. Microperforate.
This taxon: Specimens which cannot be assigned to established species

NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus.
They are being edited as the site is developed and comments on them are especially welcome.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:

References:


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Parvularugoglobigerina sp. compiled by the pforams@mikrotax project team viewed: 24-6-2025

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Short stable page link: https://mikrotax.org/pforams/index.php?id=100240 Go to Archive.is to create a permanent copy of this page - citation notes



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