Trilobita - Corynexochida - Zacanthoididae

Full reference: C. E. Resser. 1938. Middle Cambrian fossils from Pend Oreille Lake, Idaho. Smithsonian Miscellaneous Collections 97(3):1-12

Belongs to Vanuxemella according to C. E. Resser 1938

Sister taxon: Vistoia minuta

Type specimen: USNM 95042. Its type locality is Locality 37m, limestone nodules (Pend Oreille Lake), which is in a Cambrian carbonate shale/limestone in the Rennie Shale Formation of Idaho.

Ecology: nektobenthic carnivore