Agathotoma ordinaria

Agathotoma ordinaria is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]

Agathotoma ordinaria
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Agathotoma
Species:
A. ordinaria
Binomial name
Agathotoma ordinaria
(Smith, E.A., 1882)
Synonyms
  • Mangelia ordinaria (E.A. Smith, 1882)
  • Pleurotoma (Mangilia) ordinaria E.A. Smith, 1882 (original combination)

Description

The length of the shell attains 7.5 mm, its diameter 2.5 mm.

The turreted shell has an oblong shape. It contains 7 whorls, of which the first two are smooth and convex. The subsequent whorls are convex and contains 10-11 ribs that hardly stand out from the background and spiral lirae. The aperture is narrow and measures about 2/5 of the total length. The white outer lip is incrassate and on top slightly sinuate. The siphonal canal is short and narrow. The columella is simple.[1]

Distribution

This species occurs in the Pacific Ocean from Peru to Northern Chile.

References
  1. Edgar. A. Smith, Diagnoses of New Species of Pleurotomidae in the British Museum; Annals and Magazine of Natural History, ser. v," vol. xiv, 1884, p. 321
  • Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
  • "Agathotoma ordinaria". Gastropods.com. Retrieved 15 January 2019.
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