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Rotadiscus







 

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Rotadiscus
Temporal range: Early Cambrian – Middle Cambrian[1]

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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Superphylum: Deuterostomia
Stem group: Ambulacraria
Clade: Cambroernida
Family: Rotadiscidae
Genus: Rotadiscus

Rotadiscus is a genus of discoidal animal known from the Cambrian Chengjiang biota[2] and classified with the eldonioids.[3]

As with other eldonioids, it was originally thought to have been pelagic, but is now thought to be benthic.

A 2023 cladistic analysis based on new fossils places Rotadiscus, along with other eldonioids, as stem-group ambulacrarians in the clade Cambroernida.[4]

References

[edit]
  1. ^ Chen, J-Y.; M-Y. Zhu; G. Q. Zhou (1995). "The early Cambrian medusiform metazoan Eldonia from the Chengjiang Lagerstätte" (PDF). Acta Palaeontologica Polonica. 40: 213–244.
  • ^ Zhu, M.; Zhao, Yuan-Long; Chen, Jun-Yuan (2002). "Révision des animaux discoïdes cambriens Stellostomites eumorphus et Pararotadiscus guizhouensis de Chine du Sud". Geobios. 35 (2): 165–185. doi:10.1016/S0016-6995(02)00025-6.
  • ^ Caron, J.; Conway Morris, S.; Shu, D.; Soares, D. (2010). Soares, Daphne (ed.). "Tentaculate fossils from the Cambrian of Canada (British Columbia) and China (Yunnan) interpreted as primitive deuterostomes". PLOS ONE. 5 (3): e9586. Bibcode:2010PLoSO...5.9586C. doi:10.1371/journal.pone.0009586. PMC 2833208. PMID 20221405.
  • ^ Li, Yujing; Dunn, Frances S.; Murdock, Duncan J.E.; Guo, Jin; Rahman, Imran A.; Cong, Peiyun (May 10, 2023). "Cambrian stem-group ambulacrarians and the nature of the ancestral deuterostome". Current Biology. doi:10.1016/j.cub.2023.04.048. Retrieved 11 May 2023.

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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Rotadiscus&oldid=1235922435"

    Categories: 
    Cambroernids
    Fossils of China
    Fossils of Canada
    Prehistoric animal genera
    Cambrian genus extinctions
    Cambrian animal stubs
    Hidden categories: 
    Articles with short description
    Short description matches Wikidata
    Articles with 'species' microformats
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    This page was last edited on 21 July 2024, at 22:40 (UTC).

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