 | This article relies largely or entirely on a single source. (February 2023) |
| Thectardis Temporal range: Ediacaran,
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| Artist's reconstruction | |
| Scientific classification | |
| Kingdom: | Animalia (?)
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| Phylum: | |
| Genus: | †Thectardis Clapham et al., 2004
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| Species: | †T. avalonensis
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| Binomial name | |
| †Thectardis avalonensis Clapham et al., 2004
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Thectardis avalonensis is a triangular-shaped member of the Ediacaran biota, dating from 574 to 565 million years ago.[1] The organism took the form of an elongated cone with a central depression, and its apex was anchored to the substrate.[2]
- ^ Jack J. Matthews; Alexander G. Liu; Chuan Yang; Duncan McIlroy; Bruce Levell; Daniel J. Condon (2020). "A chronostratigraphic framework for the rise of the Ediacaran macrobiota: new constraints from Mistaken Point Ecological Reserve, Newfoundland". GSA Bulletin. 133 (3–4): 612–624. doi:10.1130/B35646.1. S2CID 235086638.
- ^ Clapham, Matthew E.; Narbonne, Guy M.; Gehling, James G.; Greentree, Carolyn; Anderson, Michael M. (2004). "Thectardis avalonensis: A New Ediacaran Fossil from the Mistaken Point Biota, Newfoundland". Journal of Paleontology. 78 (6): 1031–1036. doi:10.1666/0022-3360(2004)078<1031:TAANEF>2.0.CO;2. JSTOR 4094931.
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