Astralium haematragum

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Astralium haematragum
Astralium haematragum 002.jpg
Apertural view of Astralium haematragum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Turbinidae
Genus: Astralium
Species:
A. haematragum
Binomial name
Astralium haematragum
(Menke, 1829)
Synonyms
  • Trochus columellarisPhilippi
  • Trochus gratusPhilippi
  • Trochus haematragusMenke, 1829 (original combination)

Astralium haematragum, common name the Pacific star shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. [1]

Contents

Description

The size of the shell varies between 15 mm and 25 mm. The imperforate shell is pale ashen. It has an elevated-conic shape with an acute apex. The seven whorls are planulate above, with radiating oblique folds, which are produced into short spines at the periphery. The body whorl is carinated, with ten to twelve spines in a single series. The base of the shell is plano-concave, concentrically squamose-lirate. The aperture is transverse, channelled at the carina. The columella is arcuate, purple or blue margined, dentate at its base. [2]

Distribution

This marine species occurs in the Southwest Pacific and off Japan.

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References

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