Two new species of Scolecopteris (Marattiales), sources of Torispora securis Balme and Thymospora thiessenii (Kosanke) Wilson et Venkatachala.
Reference:
Lesnikowska,A.D. et al. (1997)
Two new species of Scolecopteris (Marattiales), sources of Torispora securis Balme and Thymospora thiessenii (Kosanke) Wilson et Venkatachala. Review of Palaeobotany and Palynology
Vol. 95 # 1 P. 211- 225