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Arborea (genus)

Rangeomorph originally thought to be Charniodiscus

Rangeomorph originally thought to be Charniodiscus

  • Arborea denticulata
  • Arborea longa (Glaessner et Wade, 1966)
  • Arborea oppositus (Jenkins et Gehling, 1978)
  • Arborea spinosa (LaFlamme et al., 2004)

Arborea is a genus of petalonamid that was originally considered as being synonymous with Charniodiscus. It consisted of a frond-like body 3-4 in long that was attached to the substrate via a holdfast that possessed many concentric rings on it. Species which were thought to have been within the genus Charniodiscus are now being interpreted as belonging to the genus Arborea with the latter of which being considered synonymous with Charniodiscus. A. arborea was first described from South Australia, and is the most abundant petalonamid in the Flinders Ranges. The genus currently contains 5 known species with 4 of them originally being species of Charniodiscus; the species include A. arborea, A. denticulata, A. longa, A. oppositus and A. spinosa.

References

References

  1. (1974). "Records of the South Australian Museum". Published under the authority of the board of governors and edited by the museum director.
  2. (Mar 16, 2007). "The Rise of Animals: Evolution and Diversification of the Kingdom Animalia". JHU Press.
  3. (18 October 2019). "A Concise Dictionary of Paleontology: Second Edition". Springer.
  4. (2022). "Charniodiscus and Arborea Are Separate Genera Within the Arboreomorpha: Using the Holotype of C. concentricus to Resolve a Taphonomic/Taxonomic Tangle". Frontiers in Earth Science.
  5. (2019). "Anatomical and ontogenetic reassessment of the Ediacaran frond Arborea arborea and its placement within total group Eumetazoa". Palaeontology.
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