2, see text Mentocrex is a genus of birds in the flufftail family, Sarothruridae.

The genus includes two species, both of which are endemic to forests in Madagascar.

A molecular genetic study published in 2019 found that the grey-throated rail is not closely related to the Madagascan and tsingy forest rails.

The grey-throated rail is related to the Rallidae while the wood rails are closely related to the Sarothrura.

This Gruiformes-related article is a stub.