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Revista de biología marina y oceanografía

On-line version ISSN 0718-1957


GUZMAN, Guillermo  and  OLGUIN, Nicole. Petrolisthes extremus or Petrolisthes coccineus (Decapoda Anomura Porcellanidae): are both species present in the Easter Island?. Rev. biol. mar. oceanogr. [online]. 2016, vol.51, n.1, pp.223-227. ISSN 0718-1957.

Two morphologically similar species of porcellanid crabs have been cited around Easter Island, Petrolisthes coccineus and P. extremus. New material collected in different locations of the island, only support the presence of P. extremus. The specimens used in the records of P. coccineus in Easter Island are deposited in the Museo Nacional de Historia Natural of Santiago and the Museo de Zoología of the Universidad de Concepción. After checking this material identified as P. coccineus, it was concluded that just one species is found in Easter Island and correspond to P. extremus.

Keywords : Porcellanid crabs; Rapa Nui; taxonomic status.

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