†subfamily Phalacrominae Raymond 1913 (artiopod)
Artiopoda - Agnostida - Peronopsidae
Parent taxon: Peronopsidae according to H. J. Harrington and A. F. Leanza 1957
Sister taxa: Archaeagnostus, Diplorrhina, Gratagnostus, Itagnostus, Micagnostus, Pentagnostus, Peronopseinae, Peronopsella, Peronopsis, Quadragnostus, Redeagnostus
Subtaxa: Gallagnostus
Ecology: nektonic suspension feeder
Distribution: