Parastacidae

![The natural range of the family Parastacidae [2]](/uploads/202502/01/Parastacidae_distribution.svg1818.png)
Parastacidae is 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 taxa also in Antarctica.