Artiopoda - Olenida - Olenidae
Parent taxon: Triarthrinae according to A. W. Owen 1981
See also Fortey 1974, Harrington and Leanza 1957, Jell and Adrain 2002, Nikolaisen 1965, Robison and Pantoja-Alor 1968 and Sepkoski 2002
Sister taxa: Plesioparabolina, Porterfieldia, Rampartaspis
Subtaxa: Triarthrus akkermensis Triarthrus becki Triarthrus beckii Triarthrus billingsi Triarthrus canadensis Triarthrus eatoni Triarthrus freji Triarthrus glaber Triarthrus humilis Triarthrus jachalensis Triarthrus jemtlandicus Triarthrus latissimus Triarthrus linnarssoni Triarthrus novoaustralis Triarthrus rougensis Triarthrus sichuanensis Triarthrus skutensis Triarthrus spinosus Triarthrus turkestanicus
Type: Triarthrus beckii
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Uhaku of Norway (1 collection), Sweden (2)
• Chazyan of Canada (1: Northwest Territories)
• Arenig of Argentina (2), Bolivia (1), China (1), Norway (2), Sweden (1), United States (1: Nevada)
• Arenigian of Argentina (4)
• Ordovician of Argentina (14), Australia (2), Bolivia (3), Canada (21: Northwest Territories, Nunavut, Ontario, Quebec), China (8), France (2), Kazakhstan (3), New Zealand (1), Norway (3), the Russian Federation (1), Sweden (8), the United Kingdom (1), United States (48: Kentucky, Michigan, Nevada, New York, Ohio, Pennsylvania), Venezuela (1)
Total: 132 collections including 145 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.