First evidence for locomotion in the Ediacara biota from the 565 Ma Mistaken Point Formation, Newfoundland: REPLY
Open accessAbstract
The claim by Retallack (2010) that the ancient Mistaken Point trace fossil assemblage (Liu et al., 2010) might turn out to be a species of tool mark known only from shallow water, while interesting, is redundant because all our evidence points to a depositional environment that was unequivocally deep marine. Earlier publications did indeed favor a shallow marine interpretation (Misra, 1971). However, all subsequent sedimentologically focused studies of the Mistaken Point Formation have inferred deep-water turbidite or contourite depositional mechanisms (e.g., Narbonne et al., 2001; Wood et al., 2003; Ichaso et al., 2007), conclusions with which we firmly concur.
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There is increased evidence of possible mobility by non-bilaterian organisms in Avalon rocks.
“However, there is increased evidence of possible mobility by non-bilaterian organisms in Avalon rocks [21].”
From Decoupling of body-plan diversification and ecological structuring during the Ediacaran–Cambrian transition: evolutionary and geobiological feedbacks (2014) · cites this paper as [21]
In the reply’s discussion of the trails (page not available in our copy), the authors say they provide evidence for locomotion associated with the Ediacara biota in the 565 Ma Mistaken Point Formation. That supports possible mobility in Avalon rocks, but the reply does not identify the organisms that moved as non-bilaterian. (LLM, conf=0.85)
Experimental — accuracy not yet measuredTrace fossils documented in the Avalon assemblage (565 Ma) have not been attributed to bilaterians and therefore have not been included in the diagram.
“Trace fossils documented in the Avalon assemblage (565 Ma) [21] have not been attributed to bilaterians and therefore they have not included in the diagram.”
From Decoupling of body-plan diversification and ecological structuring during the Ediacaran–Cambrian transition: evolutionary and geobiological feedbacks (2014) · cites this paper as [21]
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Cites
Late-Neoproterozoic Deep-Ocean Oxygenation and the Rise of Animal Life
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Were the Ediacaran fossils lichens?
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Self-citationWood, D. A., Dalrymple, R. W., Narbonne, G. M., Gehling, J. G., & Clapham, M. E. (2003) · Canadian Journal of Earth Sciences · doi:10.1139/e03-048 · Cited by 159 · see citing works
Spindle-shaped Ediacara fossils from the Mistaken Point assemblage, Avalon Zone, Newfoundland
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Trepassey map area, Newfoundland
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Research works printed but not linked: 1
- Benus, A.P., 1988, Sedimentological context of a deep-water Ediacaran fauna (Mistaken Point, Avalon Zone, eastern Newfoundland), in Landing, E., Narbonne, G.M., and Myrow, P.M., eds., Trace Fossils, Small Shelly Fossils and the Precambrian-Cambrian Boundary: New York State Museum and Geological Survey Bulletin, v. 463, p. 8-9.
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Self-citationRemarkable insights into the paleoecology of the Avalonian Ediacaran macrobiota
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A new assemblage of juvenile Ediacaran fronds from the Drook Formation, Newfoundland
Liu, A. G., McIlroy, D., Matthews, J. J., & Brasier, M. D. (2012) · Journal of the Geological Society · doi:10.1144/0016-76492011-094 · Cited by 69 · see citing works
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McIlroy, D., & Brasier, M. D. (2016) · Geological Society London Special Publications · doi:10.1144/sp448.7 · Cited by 58 · see citing works
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Self-citationAcritarch Evidence for an Ediacaran Adaptive Radiation of Fungi
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Reply to Retallack (2013): Ediacaran characters
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Martin Brasier's contribution to the palaeobiology of the Ediacaran–Cambrian transition
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Self-citation
- Authors
- Liu, A. G., McIlroy, D., & Brasier, M. D.
- Affiliations
- University of Oxford (GB)
- Memorial University of Newfoundland (CA)
- Venue
- Geology
- Publisher
- Geological Society of America
- Published
- 2010-10
- Volume
- 38
- Issue
- 10
- Pages
- e224-e224
- ISSN
- 0091-7613 (ISSN-L)
- 1943-2682
- OpenAlex
- W4229650629
- Cited by
- 13
- References
- 11
- Citations by year
- 2021: 1 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 2 · 2013: 3 · 2012: 1
- FWCI
- 0.90
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Geology (publishedVersion)
- Bristol Research (University of Bristol) (publishedVersion)
- Department of Earth Sciences EPrints Repository (acceptedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Evolutionary Biology
- Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Geological formations and processes
- Keywords
- Ediacaran biota, trace fossils, locomotion, turbidites, contourites
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