Trilobita - Corynexochida - Styginidae

Alternative combination: Illaenus ioxus

Belongs to Bumastus according to P. E. Raymond 1916

Sister taxa: Bumastus barriensis, Bumastus cuniculus, Bumastus dayi, Bumastus decipiens, Bumastus graftonensis, Bumastus indeterminatus, Bumastus insignis, Bumastus niagarensis, Bumastus tenuis

Ecology: nektobenthic carnivore