Astralium pileolum

Astralium pileolum
Shell of Astralium pileolum (specimen at the Natural History Museum, Rotterdam)
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]
Trochus cucculatusKiener, 1850[ citation needed ] Trochus limbiferusKiener, 1850[ citation needed ] Trochus pileolumReeve, 1842 Turbo pileolumReeve, 1842 (original combination)

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]

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 The sculpture is obsolete above and nearly so below.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.

References

1. Astralium pileolum (Reeve, 1842) . Retrieved through: World Register of Marine Species  on 9 September 2012.
2. G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Astralium fimbriatum var. pileolum)

• Reeve, L.A. 1842. Conchologia Systematica or Complete System of Conchology: in which the Lepades and Conchiferous Mollusca are described and classified according to their natural organization and habits. London : Longman, Brown, Green & Longmans Vol. 2 337 pp., pls 131–300.
• Kiener, L.C. 1850. Spécies général et Iconographie des coquilles vivantes, comprenant la collection du Muséum d'histoire Naturelle de Paris, la collection de Lamarck, celle du Prince Massena (appartenant maintenant a M. le Baron B. Delessert) et les découvertes récentes des voyageurs. Paris : Ballière pls 1-27, 29–43, 45, 46, 50–52, 55, 56.
• Allan, J.K. 1950. Australian shells: with related animals living in the sea, in freshwater and on the land. Melbourne : Georgian House xix, 470 pp., 45 pls, 112 text figs
• Wilson, B.R. & Gillett, K. 1971. Australian Shells: illustrating and describing 600 species of marine gastropods found in Australian waters. Sydney : Reed Books 168 pp
• Coleman, N. 1975. What Shell is That? Sydney : Lansdowne Press 298 pp.
• Wilson, B. 1993. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, Western Australia : Odyssey Publishing Vol. 1 408 pp.* Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1–82, pls 104–245.

External links

• https://doi.org/10.1111/j.1095-8312.2007.00854.x Williams, S.T. (2007). Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592
• "Astralium pileolum". Gastropods.com. Retrieved 15 January 2019.