Yanhaoia Zhou, Yuan & Zhou, 1998
Type species. Pterygometopus huayinshanensis Lu, 1975, Middle Ordovician, Neichiashan Series, Sichuan, original designation .
Remarks. The generic classification of pterygometopids is not yet in a stable state. The species described below is placed in Yanhaoia because of its unusually large eyes combined with a relatively narrow axis.