Virilastacus is a genus of freshwater burrowing crayfish species endemic to Chile. It has four described species. The first species was described in 1914, but since 2005, three other species have been added to this genus.
Species Virilastacus araucanius Faxon, 1914 Virilastacus jarai Erich H. Rudolph and Keith A. Crandall, 2012"A new species of burrowing crayfish, Virilastacus jarai (Crustacea, Decapoda, Parastacidae) from central-southern Chile" Virilastacus retamali Erich H. Rudolph and Keith A. Crandall, 2007"A New Species of Burrowing Crayfish Virilastacus Retamali (Decapoda: Parastacidae) from the Southern Chile Peatland" Virilastacus rucapihuelensis Rudolph and Crandall, 2005
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