Trilobita - Lichida - Lichidae
Full reference: J. R. Pollitt, R. A. Fortey, and M. A. Wills. 2005. Systematics of the trilobite families Lichidae Hawle & Corda, 1847 and Lichakephalidae Tripp, 1957: the application of Bayesian inference to morphological data. Journal of Systematic Palaeontology 3(3):225-241
Parent taxon: Lichinae according to J. R. Pollitt et al. 2005
Sister taxa: Anadesma, Echinolichini, Lichini, Platylichini, Tetralichini, Trimerolichas
Subtaxa: Dicranopeltis Metopolichas Oinochoe Uralichas
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Devonian of United States (1: Oklahoma collection)
• Whitwellian of Canada (3: Northwest Territories)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Canada (3: Northwest Territories, Yukon Territory), the Czech Republic (14), Greenland (2), Japan (1), the United Kingdom (6), United States (21: Arkansas, California, Illinois, Iowa, New York, Wisconsin)
• Dobrotivian of the Czech Republic (2), France (1), Portugal (1), Spain (6)
• Volkhov of the Russian Federation (18)
• Klabava of the Czech Republic (2)
• Arenig of China (1)
• Ordovician of China (7), the Czech Republic (2), Estonia (1), Iran (2), Ireland (1), Italy (1), Norway (7), the Russian Federation (5), Spain (9), Sweden (20), the United Kingdom (3), United States (3: Illinois, Maine)
Total: 144 collections including 155 occurrences