Mackenzia

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Mackenzia
Temporal range:
Middle Cambrian, 508  Ma
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Walcott Cambrian Geology and Paleontology II plate 13 Mackenzia costalis.jpg
Mackenzia costalis
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Family: Mackenziidae
Genus: Mackenzia
Walcott, 1911
Species:
M. costalis
Binomial name
Mackenzia costalis
Walcott, 1911

Mackenzia is an elongated bag-like animal known from the Middle Cambrian Burgess Shale. It attached directly to hard surfaces, such as brachiopod shells. 14 specimens of Mackenzia are known from the Greater Phyllopod bed, where they comprise <0.1% of the community. [1] Mackenzia was originally described by Charles Walcott in 1911 as a holothurian echinoderm. [2] Later, Mackenzia is thought to be a cnidarian and appears most similar to modern sea anemones. [3]

References

  1. Caron, Jean-Bernard; Jackson, Donald A. (October 2006). "Taphonomy of the Greater Phyllopod Bed community, Burgess Shale". PALAIOS. 21 (5): 451–65. Bibcode:2006Palai..21..451C. doi:10.2110/palo.2003.P05-070R. JSTOR   20173022. S2CID   53646959.
  2. Durham, J. W. (1974). "Systematic Position of Eldonia ludwigi Walcott". Journal of Paleontology. 48 (4): 750–755. JSTOR   1303225.
  3. Conway Morris, S. (1993). "Ediacaran-like fossils in Cambrian Burgess Shale–type faunas of North America". Palaeontology. 36 (31–0239): 593–635.