†subfamily Oleninae Burmeister 1843 (trilobite)

Trilobita - Olenida - Olenidae

Synonym: Triarthrinae Ulrich 1930

Parent taxon: Olenidae according to A. W. Owen 1981

See also Fortey 1974, Harrington and Leanza 1957, Ludvigsen 1982, Nikolaisen 1965 and Robison and Pantoja-Alor 1968

Sister taxa: Acerocare, Acerocarina, Aciculolenus, Angelina, Apoplanias, Asilluchus, Baikonuraspis, Balnibarbiinae, Bondarevites, Chekiangaspis, Ctenopyge, Cyclognathina, Euonchonotina, Eurycare, Hancrania, Helieranella, Highgatella, Huangshiaspis, Hypermecaspidinae, Inkouia, Jujuyaspis, Leiobienvillia, Leptobenthos, Leptoplastinae, Leptoplastus, Lisania, Magnomma, Marjumia, Nericiaspis, Olenus, Parabolina, Parabolinella, Parabolinina, Parabolinites, Paraolenus, Paraplicatolina, Peltocare, Peltura, Pelturina, Pelturinae, Plicatolininae, Prohedinella, Protopeltura, Remizites, Rhodonaspis, Saltaspis, Sphaerophthalmella, Talbotinella, Ullaspis, Westergaardia, Westergaardites, Wujiajiania

Subtaxa: Bienvillia Plesioparabolina Porterfieldia Rampartaspis Triarthrus

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Uhaku of Norway (1 collection), Sweden (2)

• Chazyan of Canada (3: Newfoundland and Labrador, Northwest Territories)

• Whiterockian of Canada (12: Newfoundland and Labrador), Norway (4)

• Arenigian of Argentina (30)

• Arenig of Argentina (8), Bolivia (1), China (1), Norway (3), Sweden (1), the United Kingdom (4), United States (1: Nevada)

• Ordovician of Argentina (38), Australia (1), Canada (23: Alberta, Newfoundland, Northwest Territories, Nunavut, Ontario, Quebec), China (5), Ireland (1), New Zealand (1), Norway (8), Peru (1), the Russian Federation (1), Sweden (6), the United Kingdom (12), United States (50: Kentucky, Michigan, Nevada, New York, Ohio, Pennsylvania), Venezuela (1)

• Tremadoc of Argentina (33), Bolivia (4), Canada (1: Newfoundland and Labrador), China (2), France (2), Mexico (3), Norway (1), Sweden (2)

• Ibexian of Norway (3)

• Cambrian of Argentina (3), Canada (9: Newfoundland and Labrador, Quebec), United States (3: Nevada)

Total: 285 collections including 304 occurrences

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