Petroxestes
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| Petroxestes | |
|---|---|
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| Petroxestes pera borings in an Upper Ordovician hardground (Waynesville Formation, southern Ohio). | |
| Trace fossil classification Edit this classification | |
| Ichnofamily: | †Rogerellidae |
| Ichnogenus: | †Petroxestes Wilson & Palmer, 1988 |
| Type ichnospecies | |
| Petroxestes pera Wilson & Palmer, 1988
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| Ichnospecies[1] | |
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Petroxestes is a shallow, elongate boring (a type of trace fossil) originally found excavated in carbonate skeletons and hardgrounds of the Upper Ordovician of North America. [2][3] These Ordovician borings were likely made by the mytilacean bivalve Corallidomus as it ground a shallow groove in the substrate to maintain its feeding position.[4] They are thus the earliest known bivalve borings.[5] Petroxestes was later described from the Lower Silurian of Anticosti Island (Canada).[6] and the Miocene of the Caribbean.[7]
References
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