Isoteloides Raymond 1910 (trilobite)

Trilobita - Asaphida - Asaphidae

Parent taxon: Isotelinae according to R. B. Neuman and D. L. Bruton 1974

See also Jell and Adrain 2002 and Sepkoski 2002

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

Subtaxa: Isoteloides canalis Isoteloides flexus Isoteloides peri Isoteloides polaris Isoteloides saxosimontis

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Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Ordovician of Canada (22: Alberta, Newfoundland, Newfoundland and Labrador, Northwest Territories, Ontario collections), China (5), United States (16: Nevada, New York, Utah)

• Llandeilo of China (1)

• Chazy of Canada (1: Ontario)

• Dawan of China (3)

• Cassinian of Canada (11: Newfoundland, Newfoundland and Labrador, Quebec), United States (40: Oklahoma, Utah)

• Arenig of China (14), United States (3: New York, Vermont)

• Arenigian of United States (2: Utah)

• Canadian of Canada (2: Newfoundland, Newfoundland and Labrador)

• Jeffersonian of Canada (5: Newfoundland, Newfoundland and Labrador), United States (1: Oklahoma)

Total: 126 collections including 136 occurrences

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Specimen images are retrieved through the ePANDDA API.


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