†family Illaenidae Hawle and Corda 1847 (trilobite)

Trilobita - Corynexochida - Illaenidae

Parent taxon: Corynexochida according to R. A. Fortey and D. L. Bruton 2013

See also Fortey and Droser 1999, Harrington and Leanza 1957, Rabano 2014 and Whittington et al. 1997

Sister taxa: Acontheus, Altaepeltis, Amgaspididae, Amginoerbia, Amphotonella, Asperocare, Ataktaspis, Babakovia, Balangia, Bathyuriscopsis, Bienella, Blandiaspis, Boreoscutellum, Brylyella, Bubupeltina, Cheilocephalidae, Chengkouia, Chengkouiidae, Chienaspis, Chilometopus, Chilonorria, Cholopilus, Chondagraulos, Chondrinouyina, Chuangiopsis, Chuchiaspis, Clavigellus, Corynexochidacea, Corynexochidae, Corynexochoidea, Dictyella, Dictyites, Dinesidae, Dolichometopidae, Dorypygidae, Edelsteinaspididae, Elankaspis, Emsurella, Eoscutellum, Evansaspis, Exastipyx, Ezhuangia, Girandia, Granularapis, Hapsidocare, Hemikaolishania, Holteria, Hunnanocephalus, Illaenina, Illaenoidea, Illaenuridae, Iranaspis, Jakutidae, Kaolishaniidae, Kassinius, Klotziella, Kobayashipeltis, Kooteniellina, Kotisopeltis, Leiostegiidae, Lenaspis, Linguchuangia, Liokootenia, Majiangia, Megalisania, Mendospidella, Metakootenia, Micmaccopsis, Neochilonorria, Nodiceps, Notasaphus, Olenoidestranans, Opsiosoryctocephalus, Ordosia, Orria, Oryctocare, Oryctocephalidae, Pagodiidae, Palacorona, Panderiidae, Panxinella, Paralevisia, Paralisaniella, Paraolenoides, Phillipsinellidae, Plethopeltella, Polliaxis, Polypleuraspis, Popigaia, Prokootenia, Prosymphysurus, Prouktaspis, Pseudolancastria, Shirakiellidae, Shivelicus, Sinijanella, Styginidae, Tabatopygellina, Tarynaspis, Tingocephalus, Tolanaspis, Tollaspis, Tsinaniidae, Uktaspis, Unicapeltis, Uraloscutellum, Xuigiella, Zacanthoididae

Subtaxa: Bumastoides Bumastus Cryptonymus Deucalion Dysplanus Eastonillaenus Ectillaenus Harpillaenus Hyboaspis Hydrolaenus Illaeninae Illaenus Nanillaenus Octillaenus Panderinae Parillaenus Platillaenus Ptilillaenus Stenopareia Thaleops Ulugtella Zbirovia Zdicella Zetillaenus

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Ecology: nektobenthic carnivore

Distribution:

• Silurian of Argentina (1 collection), Australia (1), Canada (57: Northwest Territories, Nunavut, Ontario, Quebec, Québec, Yukon), China (5), the Czech Republic (13), Estonia (7), Greenland (6), Japan (2), Kazakhstan (1), Mexico (1), Norway (2), the Russian Federation (5), Sweden (8), Ukraine (7), the United Kingdom (20), United States (81: California, Illinois, Indiana, Iowa, New York, Wisconsin)

• Niagaran of United States (2: Indiana, New York)

• Ordovician to Silurian of Canada (3: Québec), Norway (1)

• Ordovician of Argentina (9), Australia (10), Belarus (1), Belgium (9), Canada (92: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Québec, Yukon), China (68), the Czech Republic (16), Estonia (9), France (3), Iran (3), Ireland (6), Italy (3), Kazakhstan (7), Lithuania (1), Malaysia (1), Morocco (13), the Netherlands (1), New Zealand (1), Norway (68), Portugal (10), the Russian Federation (27), Spain (32), Sweden (76), the United Kingdom (41), United States (119: California, Illinois, Illinois, Iowa, Iowa/Wisconsin, Kentucky, Maine, Minnesota, Missouri, Nevada, New York, Oklahoma, Tennessee, Utah, Virginia, Wisconsin)

• Chazy of Canada (3: Quebec), United States (55: New York)

• Llandeilo of China (13), Sweden (1), the United Kingdom (2)

• Whiterockian of Canada (58: Newfoundland, Newfoundland and Labrador, Northwest Territories, Quebec), Norway (1), United States (60: California, Nevada, New York, Oklahoma, Vermont)

• Arenig of Argentina (5), Canada (1: Newfoundland and Labrador), China (15), Sweden (1), the United Kingdom (4)

• Dawan of China (4)

• Cassinian of Canada (3: Newfoundland, Newfoundland and Labrador), the United Kingdom (1)

• Arenigian of China (16)

• Canadian of China (4)

Total: 1096 collections including 1463 occurrences

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