Isotelus Dekay 1824 (trilobite)

Trilobita - Asaphida - Asaphidae

Alternative spelling: Asaphus (Isotelus)

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

See also Amati 2014, Henningsmoen 1960, Jell and Adrain 2002, Owens and Fortey 2009, Phleger 1933, Sepkoski 2002 and Whittington 1941

Sister taxa: Fitzroyaspis, Golasaphus, Hoekaspis, Isoteloides, Megalaspides, Megistaspis, Notopeltis

Subtaxa: Isotelus aktchokensis Isotelus bradleyi Isotelus copenhagenensis Isotelus frognoensis Isotelus giganteus Isotelus gigas Isotelus harrisi Isotelus iowensis Isotelus kimmswickensis Isotelus maximus Isotelus megistos Isotelus parvirugosus Isotelus platyrhachis Isotelus skapaneidos Isotelus spurius Isotelus susae Isotelus violaensis Isotelus walcotti

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Type: Isotelus gigas

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Silurian of United States (1: Georgia collection)

• Ordovician of Canada (71: Manitoba, Newfoundland, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Québec), China (1), Kazakhstan (1), Norway (5), the Russian Federation (6), Sweden (1), the United Kingdom (8), United States (842: California, Georgia, Illinois, Illinois, Iowa, Indiana, Iowa, Iowa/Wisconsin, Kentucky, Maryland, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Pennsylvania and Virginia, Tennessee, Vermont, Virginia, Wisconsin)

• Chazy of Canada (1: Quebec), United States (52: New York)

• Whiterockian of Canada (16: Northwest Territories, Quebec), United States (18: Nevada, New York, Oklahoma, Vermont)

• Dawan of China (1)

• Arenig of China (2)

Total: 1026 collections including 1070 occurrences

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Specimen images are retrieved through the ePANDDA API.


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