, Volume 49, Issue 9, pp 703-709
Date: 29 Dec 2009

Phylogenetic implications of the some cranial features of the porcupine pufferfish Pshekhadiodon (Tetraodontiformes, Diodontidae) from the Eocene of the Northern Caucasus

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Abstract

The well-preserved skull of the diodontid fish Pshekhadiodon parini Bannikov et Tyler, 1997 from the Eocene of the North Caucasus has plesiomorphic conditions for four character that are apomorphic in all extant taxa, and the family Diodontidae is herein separated into two subfamilies, the Diodontinae for all of the extant taxa and the Pshekhadiodontinae for Pshekhadiodon and very tentatively for the three other Eocene taxa of the family, all from Monte Bolca, Italy.

Published in Russian in Voprosy Ikhtiologii, 2009, Vol. 49, No. 6, pp. 725–731.
The article was translated by the authors.