1. Anderson, JM, HM Anderson. 1989. Palaeoflora of Southern Africa—Molteno Formation (Triassic), Volume II: gymnosperms. A.A. Balkema, Rotterdam; p. 567.
2. Anderson, JM, HM Anderson. 2003. Heyday of the Gymnosperms: Systematics and Biodiversity of the Late Triassic Molteno Fructifications. (Strelitzia 15). Pretoria (South Africa): South African National Botanical Institute; p. 398.