''Pseudamycla dermestoidea'' is a
species of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a marine
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk in the
family Columbellidae
The Columbellidae, the dove snails or dove shells, are a family of minute to small sea snails, marine gastropod mollusks in the order Neogastropoda.Bouchet, P.; Gofas, S. (2010). Columbellidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) Wo ...
, the dove snails.
[Monsecour, K. (2015). Pseudamycla dermestoidea. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=511865 on 2016-05-09]
Description
The length of the shell varies between 5 mm and 10 mm.
The small shell is ovate, oblong, smooth and polished. The whitish, somewhat obtuse
spire is composed of five or six slightly convex
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane floral ...
s. It is covered with small, ocellated, reddish points, forming an indistinct network. The sutures are surrounded above by a small band of alternating white and red spots, while the lower part is marked by another brown band, sometimes broken by distant white spots. The middle of the
body whorl
The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk.
In gastropods
In gastropods, the b ...
is surrounded by a subcrenulated red band, interrupted by white spots. At the base of the whorl are seen transverse striae, and a small brown band. The
aperture is ovate. The thin outer
lip is slightly denticulated.
[Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837](_blank)
(described as ''Buccinum dermestoïdeum'')
Distribution
This species is
endemic to Australia and occurs off
Western Australia,
New South Wales,
South Australia,
Victoria and
Tasmania
References
* Lamarck, J.B.P.A. de M. 1822. ''Histoire naturelle des Animaux sans Vertèbres''. Paris : J.B. Lamarck Vol. 7 711 pp
* Pease, W.H. 1871. ''Notes on the Synonymy and distribution of Marine Gastropoda''. American Journal of Conchology 7: 20–25
* Tryon, G.W. 1883. ''Marginellidae, Olividae, Columbellidae''. Manual of Conchology. Philadelphia : G.W. Tryon Vol. 5.
* Pace, S. 1902. ''Notes on the genus Pseudamycla, Pace''. Proceedings of the Malacological Society of London 5(4): 267–269
* Wilson, B. 1994. ''Australian Marine Shells. Prosobranch Gastropods.'' Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.
* Grove, S.J. (2015). ''A Guide to the Seashells and other Marine Molluscs of Tasmania''
External links
*
Molluscs of Tasmania: ''Pseudamycla dermestoidea''
{{DEFAULTSORT:Pseudamycla Dermestoidea
Columbellidae
Gastropods of Australia
Gastropods described in 1822