Fissurella radiosa
Encyclopedia
Fissurella radiosa is a species
of sea snail
, a marine gastropod mollusk in the family
Fissurellidae, the keyhole limpets.
Two subspecies :
and the Straits of Magellan of Argentina
and Tierra del Fuego
.
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
, a marine gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Fissurellidae, the keyhole limpets.
Two subspecies :
- Fissurella radiosa radiosa Lesson, 1831
- Fissurella radiosa tixierae Métivier, 1969
Description
The size of an adult shell varies between 18 mm and 55 mm.Distribution
This species is distributed in the Atlantic Ocean along the Falkland islandsFalkland Islands
The Falkland Islands are an archipelago in the South Atlantic Ocean, located about from the coast of mainland South America. The archipelago consists of East Falkland, West Falkland and 776 lesser islands. The capital, Stanley, is on East Falkland...
and the Straits of Magellan of Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
and Tierra del Fuego
Tierra del Fuego
Tierra del Fuego is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan. The archipelago consists of a main island Isla Grande de Tierra del Fuego divided between Chile and Argentina with an area of , and a group of smaller islands including Cape...
.
External links
- [ McLean J.H. (1984) Systematics of Fissurella in the Peruvian and Magellanic faunal provinces (Gastropoda: Prosobranchia). Contributions in Science, Natural History Museum of Los Angeles County 354: 1-70. (29 October 1984]
- gastropods.com : Fissurella (Fissurella) radiosa radiosa; accessed : 21 April 2011