†family Estaingiidae Opik 1970 (trilobite)
Trilobita - Redlichiida - Estaingiidae
Parent taxon: Ellipsocephaloidea according to J. M. Adrain 2011
See also Jell and Adrain 2002
Sister taxa: Agraulidae, Bigotinidae, Ellipsocephalidae, Palaeolenidae, Yunnanocephalidae
Subtaxa: Alanisia Chulanolenus Eomalungia Estaingia Hupeia Ichangia Mundocephalina Paraichangia Pararaia Shifangia Sichuanolenus Szechuanolenus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Antarctica (2 collections), Australia (22), China (19), the Russian Federation (3), Spain (1)
Total: 47 collections including 58 occurrences