Trilobita - Ptychopariida - Ptychopariidae

Alternative combination: Paraantagmus (Balangcunaspis) subcylindricus

Full reference: J. L. Yuan, Y. L. Zhao, Z. Z. Wang, Z. Zhen, and X. Y. Chen. 1997. A preliminary study on Lower-Middle Cambrian boundary and trilobite fauna at Balang, Taijiang, Guizhou, south China. Acta Palaeontologica Sinica 36(4):494-524

Belongs to Balangcunaspis according to P. A. Jell and J. M. Adrain 2003

Sister taxon: Balangcunaspis transversus

Type specimen: Its type locality is Balang, 8D, which is in a Duyunian slope shale in the Kaili Formation of China

Ecology: fast-moving low-level epifaunal carnivore