Tawuia describes a more sausage- or smile-shaped fossils; Chuaria refers to more discoial instances.
The fossils are often preserved as organic compressions. They are considered to represent microbial structures; some authors consider them to be affiliated with the algae.
- ^ Teyssedre, B (2003), "Trois classes de fossiles precambriens pour un meme taxon" (in French), Comptes Rendus Palevol 6 (503): 508
- ^ Srivastava, P (2006). "Proterozoic carbonaceous remains from the Chorhat Sandstone: oldest fossils of the Vindhyan Supergroup, Central India". Geobios 39: 873. doi:10.1016/j.geobios.2006.02.001.
- ^ Grazhdankin, D. V. (2007). "Late Vendian Miaohe-type ecological assemblage of the east European platform". Doklady Earth Sciences 417: 1183. doi:10.1134/S1028334X07080107.