Gordia

Gordia; Temporal range: Ediacaran–Tertiary PreꞒ Ꞓ O S D C P T J K Pg N
Trace fossil classification
Genus:	†Gordia; Emmons, 1844

Gordia marina is a lower Cambrian ichnofossil, and is the most common trace fossil in the Kaili biota displaying "smooth, cylindrical or subcylindrical, non-branching, winding and irregularly curving burrows, commonly self-overcrossing".[1] Probably made by a worm-like creature displaying fodinichnial (sediment scavenging) behaviour.[1] It takes the form of unlined, curving parallel-walled burrows that often end with a nub, probably created as the creature probed the over- or under-lying sediment.[1] It resembles Helminthopsis and Haplotichnus.[1]

References

Wang, Y.; Lin, J. P.; Zhao, Y. L.; Orr, P. J. (2009). "Palaeoecology of the trace fossil Gordia and its interaction with nonmineralizing taxa from the early Middle Cambrian Kaili Biota, Guizhou Province, South China". Palaeogeography, Palaeoclimatology, Palaeoecology. 277 (1–2): 141–148. Bibcode:2009PPP...277..141W. doi:10.1016/j.palaeo.2009.02.017.

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[Wang2009-1] Wang, Y.; Lin, J. P.; Zhao, Y. L.; Orr, P. J. (2009). "Palaeoecology of the trace fossil Gordia and its interaction with nonmineralizing taxa from the early Middle Cambrian Kaili Biota, Guizhou Province, South China". Palaeogeography, Palaeoclimatology, Palaeoecology. 277 (1–2): 141–148. Bibcode:2009PPP...277..141W. doi:10.1016/j.palaeo.2009.02.017.