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Ophiuroidea from Antarctic and subantarctic regions: 1. On three species of Gorgonocephalidae and Ophiacanthidae

The geographical distribution and the variation of morphological characters of three (Gorgonecephalus chilensis, Astroma agassizii, Ophiacantha antartica) from the Antarctic and Subantarctic regions are studied. Observations on reproductive biology are presented.

Geographical distribution; Morphology; Ophiuroids; Reproduction (biology); Antarctic region

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