Trilobita - Asaphida - Pterocephaliidae

Full reference: J. L. Yuan and G. Z. Yin. 1998. New polymerid trilobites from the Chefu Formation in early Late Cambrian of eastern Guizhou. Acta Palaeontologica Sinica 37(2):137-172

Belongs to Plesiocilia according to J. L. Yuan and G. Z. Yin 1998

Sister taxa: none

Type specimen: Its type locality is Yangweizhou-Jimachong, Glyptagnostus stolidotus zone, which is in a Guzhangian slope limestone in the Chefu Formation of China

Ecology: fast-moving low-level epifaunal deposit feeder