Trilobita - Agnostida - Peronopsidae

Full reference: G. K. Ergaliev and F. G. Ergaliev. 2008. Agnostidy srednego i verkhnego Kembriya Aksayskogo Gosudarstvennogo Geologicheskogo Zakaznika v yushnom Kazakhstane (Kyrshabakty, Malyy Karatau) [Middle and Upper Cambrian Agnostida from the Aksai National Geological Reserve in southern Kazakhstan (Kyrshabakty River, Malyy Karatau Range)] 1-359

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

Sister taxa: Peronopsis (Armagnostus), Peronopsis acadica, Peronopsis amplaxis, Peronopsis angustilimbatus, Peronopsis bilobus, Peronopsis bulkurensis, Peronopsis curtus, Peronopsis cylindrica, Peronopsis elongatus, Peronopsis gaspensis, Peronopsis guoleensis, Peronopsis inarmata, Peronopsis integer, Peronopsis intermedius, Peronopsis laiwuensis, Peronopsis ozakii, Peronopsis pseudointerstrictus, Peronopsis shandongensis, Peronopsis taitzuhoensis, Peronopsis ultimus, Peronopsis xichuanensis

Type specimen: Its type locality is Kyrshabakty River, 1465-19, which is in a Zhanarykian basinal (carbonate) lime mudstone in the Aktas Formation of Kazakstan

Ecology: slow-moving nektonic suspension feeder