Astele speciosa

Astele speciosa

Drawing of a shell of Astele speciosa
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Clade:	Vetigastropoda
Superfamily:	Trochoidea (superfamily)
Family:	Calliostomatidae
Genus:	Astele
Species:	A. speciosa
Binomial name
*Astele speciosa* (A. Adams in H. Adams & A. Adams, 1854) ^[1]
Synonyms
Calliostoma (Astele) speciosum (Adams, A. in Adams, H.G. & A. Adams, 1854) Pulchrastele speciosa Iredale, T. & McMichael, D.F. 1962 Trochus (Calliostoma) speciosus E. A. Smith, Zizyphus speciosa A. Adams, 1854

Astele speciosa, common name the beautiful top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.^[2]

Notes

Additional information regarding this species:^[2]

Taxonomic remark: Some authors place this taxon in the subgenus Astele (Astele)

Description

The size of the shell varies between 20 mm and 43 mm. The pyramidal-conical shell is imperforate, flesh-colored, variegated and punctate with rufous. The whorls are plano-concave, sculptured with transverse subgranulate alternately smaller and larger lirae. The granules are reddish-brown. The body whorl is obtusely angular. The base of the shell is concentrically grooved. The umbilical region is impressed and bounded by a rufous callus. The aperture is subquadrate. The solid columella is subarcuate and scarcely truncate anteriorly. The outer lip is lirate within. Its margin is subangulate in the middle.^[3]

Distribution

This marine species occurs from Central Queensland to northern New South Wales, Australia

References

↑ Adams, P. Z. S. 1854, p. 38.
1 2 Rosenberg, G. (2012). Astele speciosa (A. Adams in H. Adams & A. Adams, 1854). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=467150 on 2012-12-07
↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Calliostoma speciosum)

External links

External identifiers for Astele speciosa
Encyclopedia of Life	10433983
WoRMS	467150

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