Zhiyan, Zhou, and Zhang Bole. “A Jurassic Species of Arctobaiera (Czekanowskiales) With Leafy Long and Dwarf Shoots from the Middle Jurassic Yima Formation of Henan, China”. Journal of Palaeosciences 45 (December 31, 1996): 361–368. Accessed May 5, 2024. https://jpsonline.co.in/index.php/jop/article/view/1256.