Thaumaptilon
| Thaumaptilon |
|
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Genus: |
Thaumaptilon
Conway Morris, 1993
|
| Species: |
T. walcotti
|
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Thaumaptilon is a fossil from the middle Cambrian Burgess Shale which some authors have compared to members of the Ediacaran biota, generally believed to have disappeared at the start of the Cambrian, 542 million years ago. It was up to 20 cm long, and attached itself to the sea floor with a holdfast.
Leaf-shaped, Thaumaptilon had a central axis extending to its tip, with many "ribs" radiating from it, in a similar manner to the ribs of a leaf. these may have had canals connecting them to the axis. One side of its surface was covered in spots, which might have been zooids.
Thaumaptilon is considered important due to its resemblance to some Ediacarans; it was believed to be a relative of forms such as Charnia.[1][2][3]
Forms related to Charnia were once believed to be related to sea-pens (pennatulacean cnidarians), although this hypothesis has been questioned based on several lines of evidence.[4][5]
The name Thaumaptilon derives from the Greek Thauma, "wonderful", + ptilion, "soft feather".
See also
External links
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- http://paleobiology.si.edu/burgess/thaumaptilon.html
References
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ Williams, G.C. 1997. Preliminary assessment of the phylogenetics of pennatulacean octocorals, with a reevaluation of Ediacaran frond-like fossils, and a synthesis of the history of evolutionary thought regarding the sea pens. Proceedings of the Sixth International Conference of Coelenterate Biology: 497-509.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
