Protoginella corpulenta

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Protoginella corpulenta
Protoginella corpulenta 001.jpg
Shell of Protoginella corpulenta (holotype)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Marginellidae
Subfamily: Austroginellinae
Genus: Protoginella
Species:
†P. corpulenta
Binomial name
†Protoginella corpulenta
(May, 1922)
Synonyms [1]

† Marginella corpulentaMay, 1922 † ·

Protoginella corpulenta is an extinct species of sea snail, a marine gastropod mollusk in the family Borsoniidae. [1]

Contents

Description

The length of the shell attains 5 mm, its diameter 3.3 mm.

(Original description) The shell is very broadly pyriform, with an elevated pyramidal spire and a mammillated apex.The shell contains four, well rounded whorls. They are very broadly shouldered. The aperture is large. The columella is very convex above, excavate below, where it bears four rather thin plications, of which the anterior is almost vertical, the others being more transverse. The outer lip is very rounded in outline much thickened, and slightly corrugated within. [2]

Distribution

This extinct marine species is endemic to Tasmania and were found in Tertiary strata.

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References

  1. 1 2 MolluscaBase eds. (2023). MolluscaBase. Protoginella corpulenta (May, 1922) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1513154 on 2023-11-09
  2. ↑ May, W.L. (1922) New species of fossil shells from Table Cape. Papers and Proceedings of the Royal Society of Tasmania, 1921, 9–12, pl. 4.
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