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Dickinsonia
Temporal range: Late Ediacaran
Dickinsonia.jpg
An artist's illustration of Dickinsonia costata
Scientific classification
Kingdom: Animalia
Subkingdom: Eumetazoa
Family: Dickinsoniidae
Genus: Dickinsonia
Sprigg, 1947
Referred species
Synonyms
  • ?Chondroplon Wade, 1971
  • Vendomia Keller 1976
  • Papilionata eyrei Sprigg, 1947 = Dickinsonia costata

Dickinsonia is an unusual organism from the Ediacaran biota of Australia. Scientists have yet to discern what it is and have previously identified it as a jellyfish; coral; polychaete worm, worms with protuberances on its sides (although it lived too early to be classified with them); turbellarian, a subdivision of Platyhelminthes (flatworms); mushroom; xenophyophoran protist, a large unicellular protist; sea anemone; lichen; and relative of chordates.

Description

Dickinsonia fossils are known only in the form of imprints and casts in sandstone beds. The specimens found range from a few millimeters to about 1.4 meters (4 feet and 7 inches) in length, and from a fraction of a millimeter to a few millimeters thick.

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