Authors: Axsmith, BJ Taylor, EL Taylor, TN Cuneo, NR

Citation: Bj. Axsmith et al., New perspectives on the Mesozoic seed fern order Corystospermales based onattached organs from the triassic of Antarctica, AM J BOTANY, 87(6), 2000, pp. 757-768

Authors: Cuneo, NR Archangelsky, S Cesari, SN

Citation: Nr. Cuneo et al., Asterotheca frenguellii (Archangelsky and de la Sota) nov comb., Permian fern from Patagonia, Argentina., AMEGHINIANA, 37(3), 2000, pp. 363-367