page_title: Gnathichnus
hierarchical_section_title: Gnathichnus
caption_attribution_description: English: Gnathichnus pentax echinoid trace fossil on an oyster from the Cenomanian of Hamakhtesh Hagadol, southern Israel.
context_page_description: Gnathichnus is a trace fossil on a hard substrate formed by regular echinoids as they scraped the surface with their five-toothed Aristotle's Lantern feeding structures.
context_section_description: 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 (Bromley, 1975).
caption: Gnathichnus pentax echinoid trace fossil on an oyster from the Cenomanian of Hamakhtesh Hagadol, southern Israel.
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