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Ophiuroidea from Antarctic and Subantarctic regions: 2. Variation on Gorgonocephalus chilensis (Philippi) (Echinodermata, Ophiuroidea, Gorgonocephalidae)

A revision is presented on the variability of the ornamentation and other extermal morphological aspects of Gorgonocephalus chilensis. The samples were obtained along the period of 1962 to 1972 by the R/V "Hero" and "Eltanin" (USARP) and by the R/V "Almirante Saldanha" from the Brazilian Navy.

Ophiuroids; Morphology; Gorgonocephalus chilensis; Antartic region

Instituto Oceanográfico da Universidade de São Paulo Praça do Oceanográfico, 191, 05508-120 São Paulo SP Brasil, Tel.: (55 11) 3091 6513, Fax: (55 11) 3032 3092 - São Paulo - SP - Brazil