Cochleatina

<i>Cochleatina</i>

Cochleatina

Cambrian microfossil

Cochleatina is an organic-walled microfossil ('Small Carbonaceous Fossil') known from the late Ediacaran period and early Cambrian Fortunian Stage.[1] Cochleatina comprises a complex spiral ribbon structure, with a serrated outer margin. These spirals are frequently found embedded in an organic sheet.[1][2][3] Cochleatina is a rare example of a fossil taxon known to span the Ediacaran–Cambrian boundary.[1]

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Affinity

Cochleatina's biological affinity is unknown. It has been variously regarded as the fossil remains of an animal, an algae, or a protist.[1]

References

  1. [1]
    Slater, Ben J.; Harvey, Thomas H. P.; Bekker, Andrey; Butterfield, Nicholas J. (2020). "Cochleatina: an enigmatic Ediacaran–Cambrian survivor among small carbonaceous fossils (SCFs)". Palaeontology. 63 (5): 733–752. doi:10.1111/pala.12484. ISSN 1475-4983.
  2. [2]
    "New information on the Ediacaran–Cambrian transition in the Vestertana Group, Finnmark, northern Norway, from trace fossils and organic-walled microfossils" (PDF). Archived from the original (PDF) on 2017-02-02. Retrieved 2017-01-23. {{cite journal}}: Cite journal requires |journal= (help)
  3. [3]
    Organic-walled microfossils from the Ediacaran-Cambrian Global Boundary Stratotype Section, Chapel Island and Random formations, Newfoundland, Canada (PDF).


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