Protocodium sinense is the first and oldest green alga species from the Ediacaran period (635-539 million years ago) to be preserved in three dimensions, enabling paleontologists to investigate its internal structure with unprecedented accuracy. Overall morphoanatomy of Protocodium sinense from the Dengying Formation of South China. Scale bars – 100 μm. Image credit: Chai et al., doi: 10.1186/s12915-022-01394-0. “Protocodium sinense belongs...
