Tremichnus is an ichnogenus or trace fossil. It is an embedment structure (i.e. bioclaustration) formed by an organism that inhibited growth of the crinoid host stereom. The most common endobiotic symbiont in Paleozoic crinoids is Tremichnus.[2][3]
| Tremichnus | |
|---|---|
Trace fossil classification 
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| Ichnofamily: | †Centrichnidae |
| Ichnogenus: | †Tremichnus Brett, 1985 |
| Type ichnospecies | |
| Tremichnus paraboloides Brett, 1985
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| Ichnospecies[1] | |
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| Synonyms[1] | |
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References
edit- ^ a b Wisshak, M.; Knaust, D.; Bertling, M. (2019). "Bioerosion ichnotaxa: review and annotated list". Facies. 65 (2): 24. doi:10.1007/s10347-019-0561-8.
- ^ Brett C.E. 1978. Host-specific pit-forming epizoans on Silurian crinoids. Lethaia, 11, 217–232.
- ^ Brett C.E. 1985. Tremichnus: a new ichnogenus of circular-parabolic pits in fossil echinoderms. Journal of Paleontology, 59, 625–635.
- Vinn, O.; Wilson, M.A.; Auscih, W.I.; Toom, U. (2015). "Tremichnus in crinoid pluricolumnals from the Silurian of western Estonia (Baltica)". Carnets de Géologie. 15 (17): 239–243. doi:10.4267/2042/57951. Retrieved 2015-12-04.