Artiopoda - Lichida - Lichidae
Parent taxon: Lichidae according to M. J. Campbell and B. D. E. Chatterton 2006
Sister taxa: Asawikwanabe, Basseiarges, Echinolichinae, Eifliarges, Homolichinae, Hopolichoides, Huginarges, Jasperia, Lichinae, Metaleiolichas, Neolichas, Nipponarges, Ohleum, Paraleiolichas, Perunaspis, Rhenarges, Rontrippia, Tairongia, Tetralichinae, Trochurinae
Subtaxa: Platylichas
Type: Lichas (Platylichas)
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Silurian of Australia (1 collection), Canada (3: Northwest Territories, Ontario), Greenland (2), the United Kingdom (7), United States (3: Illinois, Iowa)
• Ordovician of Belgium (2), Canada (1: Quebec), China (1), Ireland (2), Norway (17), Sweden (15), the United Kingdom (22), United States (1: Pennsylvania)
Total: 77 collections including 88 occurrences