Vexillum escharoides

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Vexillum escharoides
Vexillum escharoides 001.jpg
Shell of Vexillum escharoides (holotype)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Turbinelloidea
Family: Costellariidae
Genus: Vexillum
Species:
†V. escharoides
Binomial name
†Vexillum escharoides
(Tate, 1889)
Synonyms [1]

† Mitra escharoidesTate, 1889

Vexillum escharoides is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters. [1]

Contents

Description

The length of the shell attains 17 mm; its diameter 5 mm; the length of the aperture 8mm.

(Original description) The shell is stout, narrow-fusiform, ending in a sub-cylindric protoconch of two smooth whorls. The shell contains six whorls, excluding the protoconch, slightly convex. They are sculptured with broad, flat, transverse ribs, and by narrower spiral ones, which include between them large, roundly oblong depressions. There are eight rows of punctures on the penultimate whorl. The body whorl is a little sloping to the suture, but slightly attenuated to the bent and reverted short beak. The aperture is narrow, oval-oblong, with a spiral callosity at the posterior angle. The outer lip is thin, slightly ecurved medially, stoutly lirate within. The columella has four thick approximate plaits, increasing in size from the front. [2]

Distribution

Fossils of this marine species were found in older Tertiary strata in Victoria, Australia

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References

  1. 1 2 MolluscaBase eds. (2023). MolluscaBase. Vexillum escharoides (Tate, 1889) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1636632 on 2023-03-26
  2. ↑ Tate, R. (1889). The gastropods of the older Tertiary of Australia (Part II). Transactions of the Royal Society of South Australia. 11: 116-174, pls 2-10
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