''Acmaea achates'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

or true

limpet Limpets are a group of aquatic snails with a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. This general category of conical shell is known as "patelliform" (dish-shaped). Existing within the class Gastropoda, ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Acmaeidae Acmaeidae is a family of sea snails, specifically true limpets, marine gastropod mollusks in the superfamily Lottioidea and the subclass Patellogastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Bouchet, P.; G ...

, one of the families of true limpets.

Description

The ovate shell is rather thin. It is convexly depressed, radiately densely striated with the striae here and there finely corded. The shell is intense black, irregularly variegated with lightning-marked white rays. The interior is bluish, with a broad black variegated border. Reeve, L. A. (1854-1855). Monograph of the genus Patella. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 8, pls 1-42 and unpaginated tex. L. Reeve & Co., London

Distribution

This marine species occurs off

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

References

* Subba Rao, N. V. (2003). Indian Seashells (Part 1) Polyplacophora and Gastropoda. Records of the Zoological Survey of India, Occasional Paper. 192: x + 416 pp., 96 pls.

achates In Greek and Roman mythology, Achates (Ancient Greek: Ἀχάτης) may refer to the following personages: * Achates, a companion of the exiled Aeneas. * Achates, a Sicilian who came to Aristaeus in order to join Dionysus in his Indian campaign ...

Gastropods described in 1855 {{Patellogastropoda-stub