Ovule, Upper Permian, China. [details]
Seed, Lower Carboniferous, U.K. [details]
Genus not listed by Novikoff & Barabasz-Krasny, 2015, although Lagenostomataceae and Lagenostomatales are, as a ... [details]
From Seyfullah et al., 2010: Results place the ovule within the cardiocarpalean group of ovules known to have been ... [details]
From Seyfullah et al., 2010: In a recent summary of the palaeoecology of cordaitean plants, Raymond et al. (2010) ... [details]