Trilobita - Phacopida - Pterygometopidae
Full reference: F. M'Coy. 1849. On the classification of some British fossil Crustacea with notices of new forms in the university collection at Cambridge. The Annals and Magazine of Natural History, Second Series 4:392-414
Parent taxon: Chasmopinae according to R. Ludvigsen and B. D. E. Chatterton 1982
See also Jell and Adrain 2002, McNamara 1980, Sepkoski 2002 and Warburg 1925
Sister taxa: Bolbochasmops, Oculichasmops, Rollmops, Scopelochasmops, Toxochasmops, Uralops, Valdariops
Subtaxa: Chasmops extensa Chasmops inge Chasmops marginatus Chasmops odini Chasmops wesenbergensis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Uhaku of Belarus (1 collection), the Russian Federation (2)
• Ordovician of Belarus (4), Canada (9: Northwest Territories, Ontario, Québec), Estonia (4), Latvia (5), Lithuania (10), the Netherlands (1), Norway (9), the Russian Federation (8), Sweden (6), the United Kingdom (13), United States (2: Ohio)
Total: 74 collections including 89 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.