Artiopoda - Corynexochida - Illaenidae
Parent taxon: Corynexochida according to R. A. Fortey and D. L. Bruton 2013
See also Adrain 2011, Fortey and Droser 1999, Harrington and Leanza 1957, Rabano et al. 2014 and Whittington et al. 1997
Sister taxa: Brylyella, Cheilocephalidae, Chondagraulos, Corynexochidacea, Corynexochina, Corynexochoidea, Dolichometopidae, Granularapis, Granularaspidae, Hemibarrandiidae, Hunnanocephalus, Illaenina, Illaenoidea, Leiostegiina, Phillipsinellidae, Styginidae, Xuigiella
Subtaxa: Amphoriops Bumastoides Caryon Caudillaenus Cryptonymus Dysplanus Eastonillaenus Ectillaenus Harpillaenus Hyboaspis Illaeninae Illaenus Nanillaenus Octillaenus Panderinae Parillaenus Platillaenus Ptilillaenus Stenopareia Thaleops Ulugtella Zbirovia Zdicella
Ecology: nektobenthic carnivore
Distribution:
• Silurian of Australia (1 collection), Canada (55: Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon Territory), China (5), Czechia (3), Estonia (6), Greenland (4), Mexico (1), Norway (1), the Russian Federation (7), the United Kingdom (20), United States (37: Illinois, Indiana, Iowa, Wisconsin)
• Uhaku of Lithuania (1), the Russian Federation (3), Sweden (1)
• Dobrotivian of Czechia (1), France (2), Morocco (2), Portugal (8), Spain (12)
• Letna of Czechia (1)
• Whiterockian of Canada (58: Newfoundland, Newfoundland and Labrador, Northwest Territories, Quebec), Norway (1), United States (59: Nevada, New York, Oklahoma, Vermont)
• Chazyan of Canada (20: Newfoundland and Labrador, Northwest Territories, Quebec), United States (57: New York, Oklahoma, Tennessee)
• Valaste of Sweden (3)
• Hunderum of Sweden (3)
• Arenigian of China (16)
• Arenig of Argentina (5), Canada (1: Newfoundland and Labrador), China (15), Sweden (1), the United Kingdom (4)
• Dawan of China (4)
• Ordovician to Silurian of Canada (3: Québec), Norway (1)
• Canadian of China (4)
• Ordovician of Argentina (10), Australia (8), Belarus (1), Belgium (9), Canada (69: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Québec, Yukon), China (80), Czechia (15), Estonia (9), France (1), Iran (6), Ireland (6), Italy (3), Kazakhstan (8), Lithuania (4), Malaysia (1), Morocco (12), the Netherlands (1), New Zealand (1), Norway (68), Portugal (4), the Russian Federation (31), Spain (21), Sweden (76), the United Kingdom (54), United States (97: California, Illinois, Illinois, Iowa, Iowa/Wisconsin, Maine, Minnesota, Missouri, Nevada, New York, Oklahoma, Tennessee, Utah, Virginia, Wisconsin)
• Ibexian of United States (2: Nevada)
Total: 1023 collections including 1326 occurrences