Trilobita - Olenida - Parabolinoididae
Parent taxon: Olenida according to J. M. Adrain 2011
See also Jell and Adrain 2002 and Whittington et al. 1997
Sister taxa: Andrarinidae, Aphelaspidae, Asaphiscidae, Cedariidae, Dokimokephalidae, Eulomidae, Idahoiidae, Loganellidae, Olenidae, Pterocephaliidae
Subtaxa: Abdulinaspis Apomodocia Croixana Kendallina Minkella Orygmaspis Pedinocephalus Pesaiella Roksaspis Stigmacephaloides Taenicephalus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (21: Alberta, Newfoundland, Newfoundland and Labrador, Yukon collections), Kazakhstan (15), the Russian Federation (8), United States (68: Idaho, Missouri, Montana, Pennsylvania, South Dakota, Texas, Utah, Wisconsin, Wyoming)
Total: 112 collections including 163 occurrences