Eoandromeda octobrachiata, an octoradial spiral organism found in Nilpena Ediacara National Park, South Australia as an external mould in sandstone and in South China as a carbonaceous compression in shale. Named after the Andromeda galaxy, this 8-armed spiral organism has conflicting hypotheses regarding its mode of life (sessile vs pelagic) and where it fits in the tree of life. Grew up to 5 cm in diameter.
Specimen number: SAM P42440, SAM P44349
Geological age: Ediacaran
State/territory: South Australia
Locality/site: Flinders Ranges
(Text: Tory L. Botha and Diego C. García-Bellido, UofA and SAM)