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Isalaux
Taxonomy
Isalaux was named by Frederickson and Pollack (1952) [Sepkoski's age data: O Cara-m Sepkoski's reference number: 795]. Its type is Isalaux canyonensis.
It was assigned to Pterygometopinae by Frederickson and Pollack (1952); to Pterygometopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Pterygometopinae by Frederickson and Pollack (1952); to Pterygometopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species
I. canyonensis (type species)