川西地区中二叠统—中三叠统古生态研究
肖传桃, 龚丽, 梁文君

Research on Paleoecology of Middle Permian-Middle Triassic in the Western Sichuan Basin
Xiao Chuantao, Gong Li, Liang Wenjun
图2 底栖移动型群落
Fig.2 The benthic active communities