| Gnathichnus | |
|---|---|
 | |
| Gnathichnus pentax echinoid trace fossil on an oyster from theCenomanian ofHamakhtesh Hagadol, southern Israel. | |
Trace fossil classification | |
| Ichnofamily: | Gnathichnidae |
| Ichnogenus: | †Gnathichnus Bromley, 1975 |
| Type ichnospecies | |
| Gnathichnus pentax Bromley, 1975 | |
| Synonyms[1] | |
| |
Gnathichnus is atrace fossil on a hard substrate (typically a shell, rock orhardground made ofcalcium carbonate) formed by regularechinoids as they scraped the surface with their five-toothed Aristotle's Lantern feeding structures.[2]
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