Trilobita - Phacopida - Cheiruridae
Parent taxon: Cheiruridae according to Z. Kielan-Jaworowska et al. 1991
See also Owen 1981 and Owen and Bruton 1980
Sister taxa: Acanthoparyphinae, Actinopeltis, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Cheirurus, Chiozoon, Contracheirurus, Crotalocephalides, Cyrtometopinae, Cyrtometopus, Deiphon, Deiphoninae, Didrepanon, Forteyops, Foulonia, Gabriceraurus, Hammannopyge, Hapsiceraurus, Heliomera, Heliomeroides, Hemisphaerocoryphe, Holia, Holotrachelus, Hyrokybe, Junggarella, Kawina, Kolymella, Krattaspis, Ktenoura, Laneites, Lehua, Onycopyge, Osekaspis, Parayoungia, Parisoceraurus, Pateraspis, Patomaspis, Pilekiinae, Placoparina, Pompeckia, Proromma, Protocerauroides, Pseudocheirurus, Radiurus, Ratinkaspis, Reraspis, Sphaerexochinae, Sphaexerochinae, Stubblefieldia, Sycophantia, Turantyx, Valongia, Whittakerites, Xylabion, Xystocrania, Youngia, Zazvorkaspis, Kinderlania
Subtaxa: Eccoptochile
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Dobrotivian of France (3 collections), Portugal (2), Spain (9)
• Letna of the Czech Republic (1)
• Arenig of China (1)
• Ordovician of China (1), the Czech Republic (6), France (3), Iran (1), Morocco (3), Portugal (2), the Russian Federation (1), Spain (8), the United Kingdom (1)
Total: 42 collections including 49 occurrences