Trilobita - Lichida - Lichidae
Alternative spelling: Lichadidae
Parent taxon: Lichida according to H. B. Whittington et al. 1997
Sister taxa: Akantharges, Brutonia, Ceratolichas, Craspedarges, Damesellidae, Eifliarges, Gaspelichas, Hopolichoides, Jasperia, Leiolichas, Lichakephalidae, Lichakephalina, Lyralichas, Metaleiolichas, Nipponarges, Nonix, Odontopleuridae, Odontopleuroidea, Otarozoum, Paraleolichas, Rontrippia, Tsunylichas, Uripes
Subtaxa: Acanthopyge, Allolichas, Amphilichas, Apatolichas, Arctinurus, Autoloxolichas, Borealarges, Ceratarges, Ceratarginae, Conolichas, Dicranogmus, Dicranopeltis, Echinolichas, Hemiarges, Hoplolichas, Hoplolichoides, Lichas, Lobopyge, Mephiarges, Metopolichas, Neolichas, Oinochoe, Perunaspis, Platylichas, Probolichas, Pseudotupolichas, Radiolichas, Richterarges, Terataspis, Terranovia, Trimerolichas, Trochurus, Uralichas
Ecology: fast-moving low-level epifaunal carnivore