本研究针对晚三叠世标志性植物Pterophyllum ptilum表皮结构认知空白问题，通过中国四川上三叠统须家河组保存精美的角质层标本 ...

DURING February–March 1953, a collection of fossil leaf impressions was made by me from several localities of the South Rewa Gondwana basin, including the well-known locality of Parsora, the floral ...