Vendian Animals: Tribrachidium

from the Ediacara Hills of Australia

Click on the image to view an enlargement.

Few fossils of Ediacaran animals are so compellingly bizarre as this unusual disc-shaped form with three-part (triradial) symmetry. Named Tribrachidium heraldicum, its affinities are still mysterious, although distant relationships have been proposed with either the Cnidaria (corals and anemones) or Echinodermata (urchins and seastars).

Return to Vendian Animals

Authors Copyright