Mangelia maoica

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Mangelia maoica
Mangelia maoica 001.jpg
Original image of a shell of Mangelia maoica
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Mangelia
Species:
M. maoica
Binomial name
Mangelia maoica
C.J. Maury, 1917
Synonyms

Mangilia maoicaC.J. Maury, 1917 (original combination)

Contents

Mangelia maoica is a minute extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. [1]

Description

The length of the shell attains 4 mm, its diameter 1.5 mm.

(Original description) The small shell is turreted. The protoconch contains 4 whorls, glassy, the last volution carinated and delicately longitudinally ribbed. The 4 subsequent whorls are strongly carinated in young shells but in the adult the body whorl becomes gently rounded, losing the carina. In some specimens the entire surface is adorned with microscopic, frosty, beaded spiral threads alternating with still finer granular lines, in other shells the beaded spirals are inconspicuous over the general surface, but become progressively stronger on approaching the suture. The one bordering the suture are the strongest. The whorls contain ten undulating ribs, slightly tuberculate at the carina, extending from suture to suture. The outer lip is thickened in adult, sinus U-shaped and deep. [1]

Distribution

This extinct marine species was found in Miocene strata of the Dominican Republic.

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References

  1. 1 2 Bulletins of American paleontology v. 5 no. 22-30 (1911-1917) PD-icon.svgThis article incorporates text from this source, which is in the public domain.
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