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Revista del Museo Argentino de Ciencias Naturales

On-line version ISSN 1853-0400


BOGAN, Sergio  and  AGNOLIN, Federico L. Record of Moridae (Teleostei: Gadiformes) from the Chenque Formation (Late Oligocene - Early Miocene) from the Chubut province, Argentina. Rev. Mus. Argent. Cienc. Nat. [online]. 2011, vol.13, n.2, pp.139-146. ISSN 1853-0400.

A nearly complete specimen belonging to the family Moridae is described in this paper. The material has been collected in outcrops referable to the Chenque Formation (Oligocene-Miocene) from the Chubut province, Argentina. The specimen constitutes the first fossil record for the Gadiformes in Argentina and one of the first osteological occurrences for Moridae. The morphology of the specimen suggests affinities with the genera Physiculus and Salilota. The presence of Moridae in the Early Miocene of Patagonia and New Zealand is in agreement with previous hypotheses suggesting marine transantarctic connections between both landmasses during Late Oligocene - Early Miocene times.

Keywords : Gadiformes; Moridae; Chenque Formation; Chubut; Argentina; Patagonia.

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