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Here we describe a new conifer fossil, Elatides sandaolingensis Z.X. Wang and B.N. Sun n. sp., from the Middle Jurassic Xishanyao Formation in the Turpan-Hami Basin, Xinjiang Uygur Autonomous Region, northwestern China. The materials consist of compressions represented by well-preserved leafy shoots, pollen cones, and seed cone. Leaves are characterized by long triangular shapes, with straight apex...
Using vein density to study the relationship between plants and environment is an important topic for paleoclimate and paleoenvironment studies. In this paper, the vein density of fossil plants Zelkova ungeri Kovats, Machilus tiantaiensis Ding et Sun and their NLRs was analyzed using the one-dimensional analysis and two-dimensional analysis approaches. The mechanism of vein density responses to the...
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