Trilobita - Corynexochida - Dorypygidae
Parent taxon: Dorypygidae according to E. Landing et al. 2008
Sister taxa: Atdabanella, Basocephalus, Bonnaria, Bonnia, Bonniella, Bonnima, Bonniopsis, Dorypygina, Fordaspis, Hicksia, Holteria, Holyoakia, Kooteniella, Kooteniellina, Liokootenia, Mengzia, Metakootenia, Ogygopsis, Olenoides, Olenoidestranans, Paraolenoides, Popigaia, Prokootenia, Protypus, Shipaiella, Strettonia, Tabatopygellina, Tolanaspis
Ecology: nektobenthic carnivore
Distribution:
• Solvan of Argentina (1 collection), Australia (1), Canada (7: Newfoundland and Labrador), Kazakhstan (2), United States (4: Nevada)
• Amgan of Kyrgyzstan (1), the Russian Federation (2), United States (1: Alaska)
• Ordian of Australia (1)
• Delamaran of Canada (8: British Columbia), Mexico (2), United States (40: California, Idaho, Nevada, Nevada and California, Utah, Vermont, Virginia)
• Cambrian of Antarctica (4), Argentina (2), Australia (2), Canada (15: Alberta-British Columbia, British Columbia, Northwest Territories), China (78), Greenland (7), Iran (2), Italy (1), Kazakhstan (6), Kyrgyzstan (2), North Korea (1), the Russian Federation (17), South Korea (1), Turkey (5), the United Kingdom (2), United States (25: Alaska, Arizona, Idaho, Montana, Nevada, Pennsylvania, Utah, Vermont, Virginia)
Total: 240 collections including 280 occurrences