Tawuia is a millimetric disc-shaped macrofossil from the Neoproterozoic. It is considered to be synonymous with Chuaria and Longfengshania.[1]

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.

Stratigraphically, they range from 1.63 billion years ago.[2] to the late Ediacaran.[3]


  1. ^ Teyssedre, B (2003), "Trois classes de fossiles precambriens pour un meme taxon" (in French), Comptes Rendus Palevol 6 (503): 508
  2. ^ 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.
  3. ^ Grazhdankin, D. V. (2007). "Late Vendian Miaohe-type ecological assemblage of the east European platform". Doklady Earth Sciences 417: 1183. doi:10.1134/S1028334X07080107.
Mantell's Iguanodon restoration

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