Mangelia lalonis

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

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

Contents

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

Description

The length of the shell varies 6 mm, its diameter 2.5 mm.

(Original description) The shell shows seven strongly carinate whorls. The first two form the protoconch, the apical being invariably set at an angle to the main axis of the shell, and the second strongly keeled and delicately ribbed. The five subsequent whorls are adorned with straight longitudinal ribs, extending from suture to suture, and numbering nine on the body whorl. The spiral sculpture consists of frosty, beaded threads, with groups of two or three finer between the larger threads. In adult shells the posterior sinus is inconspicuous. The outer lip is not thickened. [1]

Distribution

This extinct marine species was found in Pliocene 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 .