The Yulongsi Formation is a palaeontological geological formation located at Qujing, in Yunnan Province of Southern China.
The formation is of the Pridoli epoch of the Late Silurian period, during the Paleozoic Era.
The Yulongsi Formation is a palaeontological geological formation located at Qujing, in Yunnan Province of Southern China.
The formation is of the Pridoli epoch of the Late Silurian period, during the Paleozoic Era.