Isalaux Frederickson and Pollack 1952 (trilobite)

Trilobita - Phacopida - Pterygometopidae

Full reference: E. A. Frederickson and J. M. Pollack. 1952. Two Trilobite Genera from the Harding Formation (Ordovician) of Colorado. Journal of Paleontology 26(4):641-644

Parent taxon: Pterygometopinae according to E. A. Frederickson and J. M. Pollack 1952

See also Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Achatella, Estoniops, Ingriops, Keilapyge, Oelandiops, Pterygometopus, Upplandiops, Yanhaoia

Subtaxa: Isalaux canyonensis

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Type: Isalaux canyonensis

Ecology: fast-moving low-level epifaunal carnivore


• Ordovician of the Russian Federation (5 collections), United States (2: Colorado)

Total: 7 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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