Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: †Trilobitomorpha
Classis: †Trilobita
Ordo: †Phacopida
Subordo: †Phacopina
Superfamilia: Phacopoidea
Familia: Pterygometopidae
Genus: Isalaux
Isalaux is a trilobite in the order Phacopida (family Pterygometopidae), that existed during the upper Ordovician in what is now the United States. It was described by Frederickson and Pollack in 1952, and the type species is Isalaux canonensis. The type locality was the Harding Formation in Colorado.[1]
References
Available Generic Names for Trilobites P.A. Jell and J.M. Adrain.
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