Family Xenophthalmidae Stimpson 1858 (crab)
Malacostraca - Decapoda - Xenophthalmidae
Parent taxon: Ocypodoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Camptandriidae, Dotillidae, Heloeciidae, Hypoconcha, Macrophthalmidae, Mictyridae, Ocypodidae, Porcellanidea, Ucididae
Subtaxa: Anomalifrontinae Xenophthalminae
Type: Xenophthalmus
Ecology: infaunal detritivore
Distribution: found only at Tutong Road, S.5539 (Miocene of Brunei Darussalam)