Trilobita - Olenida - Asaphiscidae
Parent taxon: Olenida according to J. M. Adrain 2011
See also Paterson and Laurie 2004, Sundberg 1994 and Whittington et al. 1997
Sister taxa: Andrarinidae, Aphelaspidae, Cedariidae, Dokimokephalidae, Eulomidae, Idahoiidae, Loganellidae, Olenidae, Parabolinoididae, Pterocephaliidae
Subtaxa: Blainia Blainiopsis Blountiella Blountina Cinnella Conoides Dunderbergella Edithiella Emmrichellidae Eoproetus Erbenia Eteraspis Glyphaspis Iniotoma Kaninia Kaniniella Lioparia Luyanhaoaspis Luyanhaoia Mindycrusta Paraorlovia Verkholenella
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of the Russian Federation (5 collections)
• Marjumian of Canada (2: Newfoundland), United States (15: Arizona, Georgia, Texas)
• Cambrian of Argentina (1), Australia (2), Canada (3: Newfoundland), China (15), Kazakhstan (1), the Russian Federation (7), United States (40: Arizona, Georgia, Missouri, Montana, Nevada, Pennsylvania, South Dakota, Tennessee, Utah, Virginia, Wyoming)
Total: 91 collections including 97 occurrences