Selaginella densiciliata A dorsal view of branches B ventral view of branches with strobili C ventral view of branches, showing rhizophores, axillary leaves, and ventral leaves D dorsal view of branches, showing dorsal leaves E ventral view of branches, showing axillary leaves, and ventral leaves F dorsal view of strobilus G ventral view of strobilus H axillary leaf on stems (left) and branches (right) I dorsal leaf J ventral leaf K dorsal sporophyll L ventral sporophyll M proximal surface of megaspore N distal surface of megaspore O proximal surface of microspore P distal surface of microspore (from the holotype: L. Zhang et al. 2215).