Dentimargo altispira

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

† Marginella altispiraMay, 1922 † ·

Dentimargo altispira 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 mm.

(Original description) The broadly fusiform shell has a tall, blunt-topped spire. It contains four, moderately rounded whorls. The spire and the aperture are of about equal length. The aperture is small. The columella is concave, bearing four strong teeth, which extend about two-thirds up the columella, and extend well out on to the base of the shell. The outer lip is very massively thickened, much rounded, with a strong tubercle within, placed near the upper third. [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. Dentimargo altispira (May, 1922) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1513467 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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