New Discovery of Neocalamites from the Upper Triassic Daheba Formation in West Qinling, Northwest China

摘要

Objective Neocalamites is a common plant fossil from the Triassic to the Middle Jurassic. Neocalamites fossils are commonly found in coal-bearing sedimentary rocks of Rhaetian stage from South China and the Yanchang Group from North China(Mei and Liu, 2017). Moreover, the fossils also distribute in the Late Triassic such as the Babaoshan Group in Dulan and Darigemole Group in Gangcha of Qinghai Province, the Haojiagou Formation in Turpan and the Taliqike Formation in Kuche of Xinjiang.Besides,Neocalamites fossils are also found in the Early and Middle Jurassic strata of North China.