Triassic cephalopods from the Zhuganpo and Xiaowa Formations in Guan ling,Guizhou,with a discussion on the age of the Guanling biota
Triassic cephalopods from the Zhuganpo and Xiaowa Formations in Guan ling,Guizhou,with a discussion on the age of the Guanling biota
贵州关岭三叠系竹杆坡组、小凹组头足类化石——兼论关岭生物群的时代