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''Parastacus'' is a genus of southern crawfish in the family 
Parastacidae
The Parastacidae are the family of freshwater crayfish found in the Southern Hemisphere. The family is a classic Gondwana-distributed taxon, with extant members in South America, Madagascar, Australia, New Zealand, and New Guinea, and extinct ta ...
. There are about 15 described species in ''Parastacus'', found in South America. In addition, there are some preserved specimens from Australia that are possibly members of this genus.
Species
These 15 species belong to the genus ''Parastacus'': * '' Parastacus brasiliensis'' (von Martens, 1869) * '' Parastacus buckupi'' Huber, Ribeiro & Araujo, 2018 * '' Parastacus caeruleodactylus'' Ribeiro & Araujo, 2016 (blue-fingered burrowing crayfish) * '' Parastacus defossus'' Faxon, 1898 * '' Parastacus fluviatilis'' Ribeiro & Buckup, 2016 (highland streams crayfish) * '' Parastacus laevigatus'' Buckup & Rossi, 1980 * '' Parastacus macanudo'' Huber, Rockhill, Araujo & Ribeiro, 2020 * '' Parastacus nicoleti'' (Philippi, 1882) * '' Parastacus pilicarpus'' Huber, Ribeiro & Araujo, 2018 * '' Parastacus pilimanus'' (von Martens, 1869) * '' Parastacus promatensis'' Fontoura & Conter, 2008 * '' Parastacus pugnax'' (Poeppig, 1835) * '' Parastacus saffordi'' Faxon, 1898 * '' Parastacus tuerkayi'' Ribeiro, Huber & Araujo, 2017 * '' Parastacus varicosus'' Faxon, 1898References
External links
* Parastacidae Crayfish {{Crayfish-stub