Fig. 2From: A stem group Codium alga from the latest Ediacaran of South China provides taxonomic insight into the early diversification of the plant kingdomOverall morphoanatomy of Protocodium sinense from the Dengying Formation of South China. a, c, d NWULJG 10,034. a Overview of scanning electron microscopy (SEM) images. b–d Micro-CT images. b NWULJG 10,026, cross section view of thallus structure, showing tightly packed and clavate to cylindrical utricles and internal siphonous matrix. c Full view, showing both surface and inner part of thallus. d Full view, showing both the surface and apical internal morphology of utricles. Scale bars, 100 μmBack to article page