Scutus unguis

Scutus unguis, common name the northern duck's bill, is a species of large sea snail or limpet, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.^[1]

Scutus unguis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Lepetellida
Family:	Fissurellidae
Subfamily:	Emarginulinae
Genus:	Scutus
Species:	S. unguis
Binomial name
Scutus unguis (Linnaeus, 1758)
Synonyms
Parmophorus corrugatus Reeve, 1842 Parmophorus elegans Gray, 1825 · Parmophorus imbricatus Quoy & Gaimard, 1834 Patella unguis Linnaeus, 1758 (original combination) Scutus (Aviscutum) unguis (Linnaeus, 1758) · alternate representation Scutus angustatus A. Adams, 1851 Scutus corrugatus (Reeve, 1842) Scutus granulatus (Blainville, 1819) Scutus parunguis Iredale, 1940 ·

Description

The length of the shell attains 25.7 mm.

White shell, up to 6 cm long, distinctive by absence of slit or apical hole, though there is a small indent in the posterior margin. The mantle has purple brown markings on a cream background. Habitat: shallow-water rocks and coral. (Richmond, 1997)^[1]

Distribution

This marine species occurs in the Indo-west Pacific, from the Red Sea to the Solomon Islands; also off Papua New Guinea and Australia (Northern Territory, Queensland, Western Australia).