†Ijacephalus Ogienko 1974 (trilobite)
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Artiopoda - Ptychopariida - Acrocephalitidae
Parent taxon: Acrocephalitidae according to P. A. Jell and J. M. Adrain 2002
Sister taxa: Acrocephalella, Acrocephalites, Acrodirotes, Asturiaspis, Brutaspis, Cermataspis, Decus, Diceratocephalina, Mansiella, Pseudacrocephalaspina
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at Nyaiskii Fm., locality 824 near Tochilnaya, Siberia (Ordovician of Russian Federation)
Specimen images are retrieved through the ePANDDA API.
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