page_title: Horodyskia
hierarchical_section_title: Horodyskia
caption_attribution_description: English: Variation in bead shape of Horodyskia moniliformis from the 1.4 Ga Appekunny Argillite of Appekuny Mountain Montana
context_page_description: 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.
context_section_description: 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.
caption: The bead structures of Horodyskia vary in shape.[1]
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