Horodyskia

Horodyskia
Temporal range: Middle Calymmian – Late Ediacaran
Horodyskia moniliformis, "string-of-beads fossil" from the 1.4 Ga Appekunny Argillite of Glacier National Park, Montana
Scientific classification
Domain:
Eukaryota
Genus:
Horodyskia
Species
  • H. moniliformis Yochelson & Fedonkin, 2000
  • H. minor Dong, Xiao, Shen & Zhou, 2008 (synonym of H. williamsi, Parahorodyskia and Longbizuiella)

Horodyskia is a fossilised organism found in rocks dated from 1,500 million years ago to 900 million years ago. Its shape has been described as a "string of beads" connected by a very fine thread. It is considered one of the oldest known eukaryotes.

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