Family Ligiidae Brandt 1833 (isopod)
Malacostraca - Isopoda - Ligiidae
Parent taxon: Oniscidea according to A. Sánchez-García et al. 2021
Sister taxa: Armadillidae, Armadilliidae, Crinocheta, Philosciidae, Platyarthridae, Porcellionoidea, Sphaeroniscidae, Synocheta, Tylidae
Subtaxa: Eoligiiscus
Ecology: epifaunal omnivore
Distribution: found only at Peñacerrada outcrop I (Cretaceous of Spain)