XIAN, MO, GUAN, ZHAO, XUE, LI, LIU & ZHU, 2026

Locality: Zhuje, Guangnan, Wenshan Prefecture, Yunnan Province, China.

Horizon: Posongchong Formation.

Biostratigraphy:

Age: Pragian Stage, Late Early Devonian Epoch, Early Devonian.

Material:

IVPP V24297a, b: An incomplete headshield.

IVPP V24297a, b: An incomplete headshield.