See text Pontastacus is a genus of freshwater crayfish native to eastern Europe and western Asia, but also introduced elsewhere.

Pontastacus belongs to the family Astacidae, one of the three families of Northern Hemisphere freshwater crayfish within the superfamily Astacoidea.

The internal phylogeny of Astacidae can be shown in the cladogram below:[1] Pacifastacus Astacus Pontastacus Austropotamobius Nine species are recognized:[1]

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