†family Gigantopygidae Harrington 1959 (trilobite)
Trilobita - Redlichiida - Gigantopygidae
Parent taxon: Redlichioidea according to J. M. Adrain 2011
See also Li et al. 1990
Sister taxa: Abadiellidae, Chengkouaspididae, Dolerolenidae, Kueichowiidae, Mayiellidae, Menneraspididae, Metadoxididae, Redlichiidae, Redlichinidae, Saukiandidae, Yinitidae
Subtaxa: Bornemannaspis Gigantopygus Parazhangshania Yiliangella Yiliangellina Zhangshania
Type: Gigantopygus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: