Gnathichnus
| Gnathichnus | |
|---|---|
| Gnathichnus pentax echinoid trace fossil on an oyster from the Cenomanian of Hamakhtesh Hagadol, southern Israel. | |
| Trace fossil classification | |
| Ichnofamily: | †Gnathichnidae |
| Ichnogenus: | † Bromley, 1975 |
| Type ichnospecies | |
| Gnathichnus pentax Bromley, 1975
| |
| Synonyms[1] | |
| |
Gnathichnus is a trace fossil on a hard substrate (typically a shell, rock or hardground made of calcium carbonate) formed by regular echinoids as they scraped the surface with their five-toothed Aristotle's Lantern feeding structures.[2]
References
- ^ Wisshak, M.; Knaust, D.; Bertling, M. (2019). "Bioerosion ichnotaxa: review and annotated list". Facies. 65 (2): 24. doi:10.1007/s10347-019-0561-8.
- ^ Bromley, R.G. (1975). "Comparative analysis of fossil and recent echinoid bioerosion". Palaeontology. 18: 725–739.