Pseudorestias is a monospecific genus in the family Cyprinodontidae, the pupfishes.

[1] The only species in the genus is Pseudorestias lirimensis which was described in 2017. from a type locality given as "Charvinto Creek near to the thermal pond Baños San Andrés about 6 km E of Lirima village, Chancacolla River, Tarapacá Region, northern Chile".

It was also found in the Chancacolla River.

[2]