Artiopoda - Redlichiida - Biceratopsidae
Alternative spelling: Biceratopsinae
Full reference: B. S. Lieberman. 1998. Cladistic analysis of the Early Cambrian olenelloid trilobites. Journal of Paleontology 72(1):59-78
Parent taxon: Olenelloidea according to B. S. Lieberman 1999
See also Lieberman 1998, Pack and Gayle 1971, Palmer and Repina 1993 and Webster 2007
Sister taxa: Holmiidae, Laudoniidae, Olenellidae, Wanneriidae
Subtaxa: Bolbolenellus Bristoliinae Nephrolenellus Paranephrolenellus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Argentina (2 collections), Canada (8: Newfoundland, Northern Territories, Northwest Territories, Northwest Territory, Yukon Territory), Mexico (2), United States (69: California, Nevada)
Total: 81 collections including 113 occurrences