†Szeaspis Chang 1959 (trilobite)
Trilobita - Ptychopariida - Proasaphiscidae
Parent taxon: Proasaphiscidae according to P. A. Jell and J. M. Adrain 2003
Sister taxa: Chelidonocephalus, Daopingia, Derikaspis, Eymekops, Gangdeeria, Guankouia, Hadraspis, Heyelingella, Honanaspis, Honania, Hundwarella, Iranoleesia, Jiangsuia, Jiubaspis, Jixianella, Kutsingocephalus, Lioparella, Luonanocephalus, Manchuriella, Memmatella, Miaobanpoia, Plectrocrania, Proasaphiscina, Proasaphiscus, Pseudanomocarina, Shanxiella, Sudanomocarina, Tankhella, Yujinia, Zhongtiaoshanaspis
Subtaxa: Szeaspis centronatus
Ecology: fast-moving low-level epifaunal carnivore