Trilobita - Redlichiida - Olenellidae
Full reference: C. D. Walcott. 1890. Descriptive notes of new genera and species from the Lower Cambrian or Olenellus zone of North America. Proceedings of the United States National Museum 12:33-46
Parent taxon: Olenelloidea according to J. M. Adrain 2011
See also Hollingsworth 2005, Lieberman 1998, Lieberman 1999, Palmer and Halley 1979, Palmer and Repina 1993, Riccio 1952, Skovsted 2006, Walcott 1910 and Whittington et al. 1997
Sister taxa: Biceratopsidae, Holmiidae, Laudoniidae, Wanneriidae
Subtaxa: Arcuolenellus Biceratops Fritzolenellus Gabriellinae Gabriellus Mesonacinae Olenellinae Peachella Teresellus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Argentina (1 collection), Canada (70: Alberta, British Columbia, Labrador, Newfoundland, Newfoundland and Labrador, Northern Territories, Northwest Territories, Nunavut, Yukon Territory), Greenland (16), Mexico (2), the Russian Federation (1), Svalbard and Jan Mayen (3), United States (145: Arizona, California, Maryland, Nevada, New York, Pennsylvania, Utah, Vermont, Virginia, Washington)
• Delamaran of Canada (1: British Columbia), United States (4: California, Virginia)
• Waucoban of Canada (2: British Columbia)
• Caerfai of Canada (2: Northwest Territories, Nunavut), United States (4: Nevada, New York)
Total: 251 collections including 458 occurrences