Wengania is a non-differentaited, non-mineralized algal thallus under a millimeter in diameter.[4]
References
^ abZhang, Yun (1989). "Multicellular thallophytes with differentiated tissues from Late Proterozoic phosphate rocks of South China". Lethaia. 22 (2): 113–132. doi:10.1111/j.1502-3931.1989.tb01674.x.