Biology:Coronacollina acula
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Short description: Species of sponge (fossil)
| Coronacollina acula | |
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| Artist restoration of Coronacollina acula | |
| Scientific classification | |
| Kingdom: | Animalia
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| Phylum: | |
| Genus: | Coronacollina Clites et al., 2012
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| Species: | C. acula
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| Binomial name | |
| Coronacollina acula Clites et al., 2012
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Coronacollina acula is an extinct species of multicellular organism from the Ediacaran period resembling the Cambrian 'sponge' Choia. The organism comprised a raised, tri-radially-symmetrical central mound with a central depression and resistant spicules (up to four in articulated fossils), which were resistant — either chitinous or biomineralized — and grew to be 37 cm long.[1] It is currently the oldest known animal with a hard skeleton.[2]
References
- ↑ Erica C. Clites, Mary L. Droser & James G. Gehling (2012). "The advent of hard-part structural support among the Ediacara biota: Ediacaran harbinger of a Cambrian mode of body construction". Geology 40: 307–310. doi:10.1130/G32828.1.
- ↑ "Oldest organism with skeleton discovered in Australia" (in en). https://www.sciencedaily.com/releases/2012/03/120308120105.htm.
External links
- "Oldest organism with skeleton discovered in Australia". ScienceDaily. March 8, 2012. https://www.sciencedaily.com/releases/2012/03/120308120105.htm.
- Charles Choi (March 8, 2012). "Meet Earth's earliest animal with a skeleton". MSNBC. http://www.nbcnews.com/id/46673856/ns/technology_and_science-science/t/meet-earths-earliest-animal-skeleton/#.UsvBE9JdW1U.
Wikidata ☰ Q384383 entry
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