A new species of Leptocycas (Zamiaceae) from the Upper Triassic sediments of Liaoning Province, China
Jian-Wei ZHANG, Jian-Xin YAO, Chia-Jui CHEN, Cheng-Sen LI
J Syst Evol . 2010, (4): 286 -301 .  DOI: 10.1111/j.1759-6831.2010.00079.x