Purple Passionflower – Passiflora incarnata

by | Dec 19, 2023 | Purple Passionflower

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Entobia in a bivalve shell, Florida.

Entobia is a trace fossil in a hard substrate (typically a shell, rock or hardground made of calcium carbonate) formed by sponges as a branching network of galleries, often with regular enlargements termed chambers. Apertural canals connect the outer surface of the substrate to the chambers and galleries so the sponge can channel water through its tissues for filter feeding.[2] The fossil ranges from the Devonian to the Recent.[3][4]

References

  1. ^ a b 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. ^ Bromley, R.G. (1970). "Borings as trace fossils and Entobia cretacea Portlock, as an example". Geological Journal. 3: 49–90.
  3. ^ 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)
  4. ^ Tapanila, L. (2006). "Devonian Entobia borings from Nevada, with a revision of Topsentopsis". Journal of Paleontology. 80 (4): 760–767. doi:10.1666/0022-3360(2006)80[760:DEBFNW]2.0.CO;2. S2CID 129195867.

External links

Entobia from the Prairie Bluff Chalk Formation (Maastrichtian, Upper Cretaceous) of Starkville, Mississippi. Preserved as a cast of the excavations.
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