释义 |
bai·era \ˈbīərə\ noun Usage: capitalized Etymology: New Latin, after J.J.Baier died 1735 German naturalist : a genus of fossil gymnosperms (family Ginkgoaceae) that are known from the Trias to the Lower Cretaceous and are considered by some paleobotanists to be ancestors of the fossil and surviving ginkgoes |