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Mass mortality of Eunicella singularis (Anthozoa: Octocorallia) in the Chafarinas Islands (North Africa, Western Mediterranean Sea)

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Redescripción de Percnon pascuensis (Brachyura, Grapsoidea, Percnidae) de Rapa Nui

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Guillermo L. Guzman

gguzman@unap.cl

1

1

Facultad de Recursos Naturales Renovables, Universidad Arturo Prat, Avenida Arturo Prat 2120, Casilla de correos 121, Iquique, Chile

Resumen

Percnon pascuensis is redescribed based on adult specimens collected in Easter Island (today Rapa-Nui). The gonopod (first two pair of pleopod of males) structure is described by first time and compare with the other species of the genus. The analysis conclude that P. pascuensis is closely to P. sinensis based on the gonopods morphology. P. sinensis is distributed to China Sea. Earlier papers claim that P. pascuensis is closely related with P. planissimum, a widely distributed species, but both species are different morphology of the gonopods. P. pascuensis is a valid species seemingly endemic of the Easter Island.

Palabras clave

Percnon, Grapsoidea, Easter Island, redescription

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