# Pontastacus

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Pontastacus
> Markdown URL: https://mediated.wiki/source/Pontastacus.md
> Source: https://en.wikipedia.org/wiki/Pontastacus
> Source revision: 1354822949
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Short description|Genus of crayfishes}}
{{Automatic taxobox
| image = Pontastacus leptodactylus - Naturmuseum Senckenberg - DSC02134.JPG
| image_caption = ''[Pontastacus leptodactylus](/source/Pontastacus_leptodactylus)'' (museum specimen)
| display_parents = 3
| taxon = Pontastacus
| authority = Bott, 1950
| subdivision_ranks = Species
| subdivision = See text
| synonyms = 
* ''Astacus (Pontastacus)'' <small>Bott, 1950</small>
* ''Caspiastacus'' <small>Starobogatov, 1996</small>
}}

'''''Pontastacus''''' is a [genus](/source/genus) of freshwater [crayfish](/source/crayfish) native to eastern Europe and western Asia, but also [introduced](/source/Introduced_species) elsewhere.

==Classification and phylogeny==
''Pontastacus'' belongs to the [family](/source/Family_(taxonomy)) [Astacidae](/source/Astacidae), one of the three families of [Northern Hemisphere](/source/Northern_Hemisphere) freshwater crayfish within the [superfamily](/source/superfamily_(biology)) [Astacoidea](/source/Astacoidea). The internal [phylogeny](/source/phylogeny) of Astacidae can be shown in the [cladogram](/source/cladogram) below:<ref name="Crandall2017">{{Cite journal |last1=Crandall |first1=Keith A. |last2=De Grave |first2=Sammy |date=2017 |title=An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list |journal=[Journal of Crustacean Biology](/source/Journal_of_Crustacean_Biology) |volume=37 |issue=5 |pages=615-653 |doi=10.1093/jcbiol/rux070 |doi-access=free}}</ref>
{{clade
 |label1='''[Astacidae](/source/Astacidae)'''
 |1={{clade
  |1=''[Pacifastacus](/source/Pacifastacus)''
  |2={{clade
   |1={{clade
    |1=''[Astacus](/source/Astacus)''
    |2='''''Pontastacus''''' }}
   |2=''[Austropotamobius](/source/Austropotamobius)'' }} }} }}

===Species===
Nine [species](/source/species) are recognized:<ref name="Crandall2017"/>
**''[Pontastacus cubanicus](/source/Pontastacus_cubanicus)'' <small>(Birstein & Vinogradov, 1934)</small> - [Black Sea](/source/Black_Sea), [Russia](/source/Russia)
**''[Pontastacus danubialis](/source/Pontastacus_danubialis)'' <small>Brodsky, 1981</small> - [Danube Delta](/source/Danube_Delta) lakes, [Ukraine](/source/Ukraine)
**''[Pontastacus daucinus](/source/Pontastacus_daucinus)'' <small>Brodsky, 1981</small> - [Danube Delta](/source/Danube_Delta) lakes, [Ukraine](/source/Ukraine) and [Moldova](/source/Moldova)
**''[Pontastacus eichwaldi](/source/Pontastacus_eichwaldi)'' <small>(Bott, 1950)</small> - [Caspian Sea](/source/Caspian_Sea)
**''[Pontastacus kessleri](/source/Pontastacus_kessleri)'' <small>(Schimkewitsch, 1886)</small> - [Turkestan](/source/Turkestan)
**''[Pontastacus leptodactylus](/source/Pontastacus_leptodactylus)'' <small>(Eschscholtz, 1823)</small> - around the [Black Sea](/source/Black_Sea) and other aquatic systems in eastern Europe and [Turkey](/source/Turkey); widely introduced elsewhere - "Turkish crayfish"
**''[Pontastacus pachypus](/source/Pontastacus_pachypus)'' <small>(Rathke, 1837)</small> - [Caspian Sea](/source/Caspian_Sea), [Black Sea](/source/Black_Sea), [Sea of Azov](/source/Sea_of_Azov) - "Caspian crayfish"
**''[Pontastacus pylzowi](/source/Pontastacus_pylzowi)'' <small>(Skorikov, 1907)</small> - eastern part of [Transcaucasia](/source/Transcaucasia)
**''[Pontastacus salinus](/source/Pontastacus_salinus)'' <small>(von Nordmann, 1842)</small> - [Black Sea](/source/Black_Sea)

==References==
{{reflist}}

{{Taxonbar|from=Q21226835}}

Category:Astacidae
Category:Crustacean genera
Category:Crustaceans of Europe
Category:Crustaceans of Asia

{{Crayfish-stub}}

---
Adapted from the Wikipedia article [Pontastacus](https://en.wikipedia.org/wiki/Pontastacus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Pontastacus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.