†subfamily Onchonotininae Lu 1965 (trilobite)
Artiopoda - Ptychopariida - Catillicephalidae
Parent taxon: Catillicephalidae according to S. Peng et al. 2004
Sister taxa: Acheilops, Agelagma, Buttsia, Calculites, Catillicephala, Catillicephalina, Distazeris, Galeaspis, Lajishanaspis, Madarocephalus, Matania, Onchonotellus, Onchonotopsis, Onchonotus, Pemphigaspis, Peracheilus, Theodenisia, Theodensia, Triarthropsis, Tumidulaspis, Tuojiangella, Urbanaspis, Welleraspis, Yukonaspis
Subtaxa: Placosema
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Australia (1 collection), China (4), South Korea (3)
Total: 8 collections each including a single occurrence