†family Illaenuridae Vodges 1890 (trilobite)

Artiopoda - Corynexochida - Illaenuridae

Parent taxon: Leiostegiina according to J. M. Adrain 2011

See also Whittington et al. 1997

Sister taxa: Leiostegioidea, Shirakiellidae

Subtaxa: Ambonolium Lecanopyge Lecanopygidae Minicephalus Olenekella Platydiamesus Polyariella Rasettaspis Rasettia Resseraspis Tatonaspis Yurakia

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Ecology: nektobenthic carnivore

Distribution:

• Ordovician of Canada (1: Yukon collection), South Korea (1), United States (4: Idaho, Texas)

• Taoyuanian of the Russian Federation (2)

• Cambrian of Argentina (1), Canada (38: Alberta, Newfoundland and Labrador, Northwest Territories, Quebec, Yukon), the Russian Federation (8), United States (20: Alaska, Nevada, Oklahoma, South Dakota, Vermont, Wisconsin, Wyoming)

Total: 75 collections including 94 occurrences

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