词条 | Gordia |
释义 |
| name = Gordia | fossil_range = {{fossil range|Ediacaran|Tertiary}} | authority = 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] References1. ^1 2 3 {{Cite journal| first1 = Y.| first2 = J. P.| first3 = Y. L.| first4 = P. J.| title = Palaeoecology of the trace fossil Gordia and its interaction with nonmineralizing taxa from the early Middle Cambrian Kaili Biota, Guizhou Province, South China| last1 = Wang| journal = Palaeogeography, Palaeoclimatology, Palaeoecology| volume = 277| pages = 141–148| year = 2009| doi = 10.1016/j.palaeo.2009.02.017| last2 = Lin| last3 = Zhao| last4 = Orr }} {{trace-fossil-stub}} 2 : Burrow fossils|Invertebrate paleozoology |
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