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Petroxestes

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Trace fossil

Petroxestes
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
Ichnospecies
  • P. altera Jagt et al., 2009
  • P. pera Wilson & Palmer, 1988

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. 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. They are thus the earliest known bivalve borings. Petroxestes was later described from the Lower Silurian of Anticosti Island (Canada). and the Miocene of the Caribbean.

References

  1. Wisshak, M.; Knaust, D.; Bertling, M. (2019). "Bioerosion ichnotaxa: review and annotated list". Facies. 65 (2): 24. doi:10.1007/s10347-019-0561-8.
  2. Wilson, M.A., Palmer, T.J. (1988). "Nomenclature of a bivalve boring from the Upper Ordovician of the midwestern United States". Journal of Paleontology. 62 (2): 306–308. doi:10.1017/S0022336000029978. S2CID 131394939.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. Wilson, M.A., Palmer, T.J. (2006). "Patterns and processes in the Ordovician Bioerosion Revolution". Ichnos. 13 (3): 109–112. doi:10.1080/10420940600850505. S2CID 128831144.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  4. Pojeta, J., Jr., Palmer, T.J. (1976). "The origin of rock boring in mytilacean pelecypods". Alcheringa. 1 (2): 167–179. doi:10.1080/03115517608619068.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. Taylor, P.D., Wilson. M.A. (2003). "Palaeoecology and evolution of marine hard substrate communities". Earth-Science Reviews. 62 (1–2): 1–103. Bibcode:2003ESRv...62....1T. doi:10.1016/S0012-8252(02)00131-9.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  6. Tapanila, L., Copper, P. (2002). "Endolithic trace fossils in Ordovician-Silurian corals and stromatoporoids, Anticosti Island, eastern Canada". Acta Geológica Hispánica. 37: 15–20.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  7. Pickerill, R.D., Donovan, S.K., Portell, R.W. (2001). "The bioerosional ichnofossil Petroxestes pera Wilson and Palmer from the Middle Miocene of Carriacou, Lesser Antilles". Caribbean Journal of Science. 37: 130–131.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Taxon identifiers
Petroxestes
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