Amblychilepas javanicensis

Amblychilepas javanicensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Lepetellida
Family:	Fissurellidae
Genus:	Amblychilepas
Species:	A. javanicensis
Binomial name
Amblychilepas javanicensis (Lamarck, 1822)
Synonyms
Fissurella javanicensis Lamarck, 1822 (original combination ) Fissurella scutellum Gray, 1835 Fissurella tasmaniensis Bonnet, 1864 · Fissurella trapezina Sowerby, 1835

Amblychilepas javanicensis, commonly known as the rayed keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.[1]

Description

The size of the shell varies between 20 mm and 31 mm.

Originally described in Latin as Fissurella trapezina, the shell has a somewhat trapezoidal shape with rounded angles, narrowing toward the front and appearing flattened, with slightly raised extremities. Internally, it is white, featuring a muscle impression set near the edge and a thickened margin. Externally, the surface is faintly grooved concentrically and displays a pale color with brown radiating streaks. The dorsal aperture is large and broad, widening toward the front.[2]

Distribution

This marine species is endemic to Australia and occurs off southern Queensland, Western Australia and off Tasmania, living in sand in open but sheltered waters in the subtidal zone from low water to depths of about 20 m.

Basal view

References

1. Amblychilepas javanicensis (Lamarck, 1822). Retrieved through: World Register of Marine Species on 14 January 2025.
2. Sowerby, G.B. I (1835). "Characters of shells collected by Mr. Cuming on the western coast of South America, and among the islands of the South Pacific Ocean". Proceedings of the Zoological Society of London. 1834: 126. Retrieved 14 January 2025. This article incorporates text from this source, which is in the public domain.

• Cotton, B.C. (1959). South Australian Mollusca. Archaeogastropoda. Handbook of the Flora and Fauna of South Australia. Adelaide: South Australian Government Printer. pp. 1–449.
• Grove, S. (2011). The Seashells of Tasmania: A Comprehensive Guide. Taroona, Australia: Taroona Publications. p. 28.
• Iredale, T. & McMichael, D.F. (1962). "A reference list of the marine Mollusca of New South Wales". Memoirs of the Australian Museum. 11: 1–109.
• Wilson, B. (1993). Australian marine shells. Prosobranch gastropods. Kallaroo, W.A.: Odyssey Publishing. pp. 1–408.

External links

• "Amblychilepas javanicensis". Gastropods.com. Retrieved 15 January 2019.
• Lamarck, J.B.M. de (1822). Histoire naturelle des animaux sans vertèbres. Tome sixième, 2me partie. Paris: published by the author. pp. 14, 15.
• Bonnet, A. (1864). "Description de quelques Mollusques nouveaux, ou présumés tels". Revue et Magasin de Zoologie Pure et Appliquée. 2 (16): 72.