SELAGINELLITES CF.FAUSTAFROM THE LOWER CRETACEOUS OF WANGQING,JILIN PROVINCE
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Abstract:
A fossil plant attributed to Selaginellites from the Lower Cretaceous Dalazi Formation in Wangqing County,Jilin Province is described in this paper. The fossil is tenuous herbaceous,small, stem thin, leaves heterophyllous,decussate,arranged in four rows(two lateral rows and two median rows).Lateral leaves larger,ovate,entire,dosally keel-like ribbed,apices top and the front of the blade is slightly curved inward,attached to the stem with an amplexicaul base without petiole. Median leaves small,adpressed to the stem densely and parallel with stem,much similar with lateral leaves in shape.This specimen resembles closely Selaginellities fausta(Wu)Sun and Zheng from the Jianshangou bed of the lower part of the Lower Cretaceous Yixian Formation. It is hard for further comparison due to no reproductive organ have been found, the present fossil is attributed to Selaginellitescf.fausta(Wu)Sun and Zheng.It represents the latest fossil record of Selaginellites in China so far,and enriches the Selaginellites fossil record in China.