The revision of the validity of genus Huso (Acipenseridae) based on recent morphological and genetic data with particular reference to the Kaluga H. dauricus
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- Vasil’eva, E.D., Vasil’ev, V.P., Shedko, S.V. et al. J. Ichthyol. (2009) 49: 861. doi:10.1134/S0032945209100038
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The comparative morphological study in different Acipenseriform species demonstrates that there are only two morphological features combining the kaluga and the great sturgeon and separating them from other sturgeons, namely the shape of a mouth and the manner attaching of gill membranes to isthmus in adult specimens; whereas many morphological characters are different in these species. The relations of morphological similarity/distinction among different sturgeon species and polyphyletic origin of genus Huso revealed by both molecular and cytogenetic studies presume the restoration of initial taxonomic states for the great sturgeon and kaluga as members of the same genus Acipenser, namely A. huso and A. dauricus.