Astralium pileolum

Astralium pileolum, common name the cap trochis shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.^[1]

Astralium pileolum
Apertural view of Astralium pileolum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Turbinidae
Genus:	Astralium
Species:	A. pileolum
Binomial name
Astralium pileolum (Reeve, 1842)
Synonyms[1]
Astralium fimbriatum var. pileolum (Reeve, 1842) Trochus cucculatus Kiener, 1850 Trochus limbiferus Kiener, 1850 Trochus pileolum Reeve, 1842 Turbo pileolum Reeve, 1842 (original combination)

Description

The size of the shell varies between 28 mm and 65 mm. The shell resembles the shell of Bellastraea squamifera (Iredale, 1924), with some differences. The shell is grayish white. The sculpture is obsolete above and nearly so below. The keel is very broad and thin.^[2]

Distribution

This marine species is endemic to Australia and occurs off the Northern Territory, Queensland and Western Australia.