Trilobita - Agnostida - Phalacromidae

Alternative combination: Phoidagnostus orbiculatus

Full reference: G. K. Ergaliev. 1980. Trilobity srednego i verkhnego Kembriya Malogo Karatau [Middle and Upper Cambrian trilobites from Malyy Karatau] 1-211

Belongs to Toragnostus according to G. K. Ergaliev and F. G. Ergaliev 2008

Sister taxa: none

Ecology: slow-moving nektonic suspension feeder