Revillagigedo Islands

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Revillagigedo Islands

or Revillagigedo Archipelago (rāvē`yähēhā`thō), volcanic island group in the Pacific Ocean, c.450 mi (720 km) W of Colima state and S of Baja California, Mexico. The islands, which are under federal jurisdiction, are part of submerged range of volcanic mountains. Socorro (110 sq mi/285 sq km) is the largest island; except for a small number of naval personnel the islands are uninhabited. A volcano on San Benedicto island rose suddenly in 1952. The Mexican flag was officially raised over the islands in 1957. In 2017 some 57,000 sq mi (150,000 sq km) of the surrounding waters were declared a marine reserve and national park.
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Turban shells are benthic marine animals, fairly common on the Revillagigedo Islands, which can also be found in tidal pools, shallow rocky bottoms, and weed-covered reefs.
Keen (l971) states that this species is widely distributed on the islands of the Revillagigedo Archipelago.
The faraway location of the Revillagigedo Archipelago from the continental coasts had been one of the factors that has made it difficult to complete any scientific study.
A Zoogeographic Summary of the Marine Mollusks of the Revillagigedo Island (tropical eastern Pacific Ocean).
La Isla Socorro, Reserva de la Biosfera, Archipielago de Revillagigedo, Mexico.
Distribution, density and length-weight relationship of Chiton articulatus Sowerby, 1832 (Mollusca-Polyplacophora) on Isla Socorro, Revillagigedo Archipelago, Mexico.
Key words: Revillagigedo, corals, taxonomy, distribution, tropical eastern Pacific, Mexico.
El Archipielago de Revillagigedo fue declarado Reserva de la Biosfera por el gobierno de Mexico en 1994, entre otras cosas con base en la elevada riqueza de especies marinas que habitan sus litorales (Anonimo 1994).
La determinacion de la identidad de algunos taxa coralinos que habitan las Revillagigedo es una labor relativamente sencilla, al existir guias sobre las especies del Pacifico oriental (Wells 1983, Hodgson 1995).
Se realizaron cinco salidas de campo al Archipielago de Revillagigedo (agosto 1990, noviembre 1991, julio 1992, diciembre 1994 y mayo 1995).
Se registraron 22 especies de corales hermatipicos para el Archipielago de Revillagigedo, incluyendo datos de campo y literatura.