Somatohelix
Encyclopedia
Somatohelix is a genus of cuvaceous, spiralling tubular fossil, 2–7 mm wide and 3–14 cm long, from the Ediacaran
Ediacaran
The Ediacaran Period , named after the Ediacara Hills of South Australia, is the last geological period of the Neoproterozoic Era and of the Proterozoic Eon, immediately preceding the Cambrian Period, the first period of the Paleozoic Era and of the Phanerozoic Eon...

deposites of the South Australia that was originally interpreted as a trace fossil; a larger amount of better-preserved material since facilitated its reconstruction as the remains of an animal.
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