Mackenziidae

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Mackenziidae
Temporal range: Cambrian Stage 3 to Wuliuan, 518–508  Ma
Walcott Cambrian Geology and Paleontology II plate 13 Mackenzia costalis.jpg
Fossil of Mackenzia costalis
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Subkingdom: Eumetazoa
Family:† Mackenziidae
Conway Morris, 1993
Genera

Mackenziidae is a family of enigmatic animals known from the Cambrian period. Their affinity has been disputed, with the type genus Mackenzia being first described as a holothurian echinoderm, [1] before being moved to a relative of sea anemones, [2] and finally in 2022 moved to Eumetazoa incertae sedis . [3] The family may be related to various members of the Ediacaran biota, due to a similar arrangement of tubular modules. [3]

References

  1. ↑ Durham, J. Wyatt (1974). "Systematic Position of Eldonia ludwigi Walcott". Journal of Paleontology. 48 (4): 751–755. ISSN   0022-3360. JSTOR   1303225.
  2. ↑ Conway Morris, S. (1993). "Ediacaran-like fossils in Cambrian Burgess Shale–type faunas of North America". Palaeontology. 36 (31–0239): 593–635.
  3. 1 2 Zhao, Yang; Vinther, Jakob; Li, Yu-Jing; Wei, Fan; Hou, Xian-Guang; Cong, Pei-Yun (January 2022). "An early Cambrian mackenziid reveals links to modular Ediacaran macro-organisms". Papers in Palaeontology. 8 (1). Bibcode:2022PPal....8E1412Z. doi:10.1002/spp2.1412.
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