Artiopoda - Phacopida - Cheiruridae
Alternative spelling: Cheirurus (Cyrtometopus)
Parent taxon: Cheiruridae according to P. A. Jell and J. M. Adrain 2002
See also Harrington and Leanza 1957, Reed 1906 and Sepkoski 2002
Sister taxa: Acanthoparyphinae, Actinopeltis, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Cheirurus, Chiozoon, Contracheirurus, Crotalocephalides, Cyrtometopinae, Deiphon, Deiphoninae, Didrepanon, Eccoptochilinae, 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: Cyrtometopus clavifrons
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenig of Argentina (2 collections), Sweden (1)
• Ordovician of Argentina (1), France (2), Norway (1), the Russian Federation (30), Spain (1), Sweden (17)
Total: 55 collections including 65 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.