Animal–plant interactions in a Middle Permian permineralised peat of the Bainmedart Coal Measures, Prince Charles Mountains, Antarctica

Slater, Ben J.; McLoughlin, Stephen; Hilton, Jason

doi:10.1016/j.palaeo.2012.08.018

Cited by 75 publications

(61 citation statements)

References 91 publications

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“…Such pellets are similar to coprolites widely illustrated from subaerial stems and cones of bennettitaleans (Crepet 1974;Osborn & Talyor 2010), and the axes of a range of other plant groups from the late Palaeozoic and Mesozoic (Scott & Taylor 1983;Scott et al 1985;Chaloner et al 1991;Scott 1992;Zavada & Mentis 1992;Labandeira et al 1997;Weaver et al 1997;Kellogg & Taylor 2004;D'Rozario et al 2011;Slater et al 2012).…”

Section: Arthropod Traces Coprolitessupporting

confidence: 68%

Biota and palaeoenvironment of a high middle-latitude Late Triassic peat-forming ecosystem from Hopen, Svalbard archipelago

McLoughlin

Strullu‐Derrien

2015

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A siliceous permineralized peat block recovered from Hopen in the Svalbard archipelago hosts a low-diversity Late Triassic flora dominated by autochthonous roots and stems of bennettitaleans and lycophytes, and parautochthonous leaves, sporangia, spores and pollen from a small range of pteridophytes and gymnosperms. Some parenchymatous bennettitalean root cells show interactions with chytrid fungi and bacteria; the remains of other fungi and fungi-like organisms are dispersed within the peat's detrital matrix. Cavities excavated through some roots and compacted detritus contain abundant coprolites probably derived from sapro-xylophagous oribatid mites, although no body fossils have yet been identified. Sparse larger coprolites containing leaf fragments attest to the presence of invertebrate folivores in the ancient ecosystem. The lowdiversity flora, relatively few trophic levels and simple nutritional web, together with sedimentological aspects of the host formation and the peat structure, collectively favour accumulation of the organic mass as a fibric (root-dominated) peat within a temperate (high middle-latitude), wellaerated mire.

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Section: Arthropod Traces Coprolitessupporting

confidence: 68%

Biota and palaeoenvironment of a high middle-latitude Late Triassic peat-forming ecosystem from Hopen, Svalbard archipelago

McLoughlin

Strullu‐Derrien

2015

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“…Invertebrate coprolites have a sparse record in the Paleozoic (English & Babcock 2010, Eriksson et al 2011, Slater et al 2012, Fiorelli et al 2013. Round and elongated coprolites are found in marine and terrestrial environments of the Paleozoic and have been ascribed to a wide variety of producers.…”

Section: Comparison To Other Cambrian Coprolitesmentioning

confidence: 99%

Coprolites in mid-Cambrian (Series 2-3) Burgess Shale-type deposits of Nevada and Utah and their ecological implications

Kimmig¹,

Strotz²

2017

Bull. Geosci.

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“…The fossil record of clitellate cocoons extends back to at least the Middle Triassic (Vigran et al, 2014), but a comprehensive survey of mesofossils from a Middle Permian peat by Slater et al (2012) found no evidence of annelid egg casings in an otherwise suitable host deposit, and such remains have not been forthcoming from palynological studies of other Palaeozoic strata. The occurrence and, thus, the stratigraphic and palaeoenvironmental application of these mesofossils is, therefore, likely to be restricted to post-Palaeozoic strata.…”

Section: Depositional Environmentmentioning

confidence: 99%

“…No parasitic or commensal associations have been described previously from the Paleogene continental biotas of the Antarctic Peninsula. However, a broad range of herbivorous, detritivorous, commensal, and parasitic interactions have been reported from older (Permian and Triassic), non-marine fossil assemblages in Antarctica (Klavins et al, 2005;Slater et al, 2012Slater et al, , 2013Slater et al, , 2015Harper et al, 2013). The Seymour Island fossils provide an additional component to the trophic complexity identified in high-latitude terrestrial Antarctic ecosystems during the Paleogene.…”

Section: Depositional Environmentmentioning

confidence: 99%

Fossil clitellate annelid cocoons and their microbiological inclusions from the Eocene of Seymour Island, Antarctica

McLoughlin

Bomfleur

Mörs

et al. 2016

Palaeontologia Electronica

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Clitellate annelids have a meagre body fossil record but they secrete proteinaceous cocoons for the protection of eggs that, after hardening, are readily fossilized and offer a largely untapped resource for assessing the evolutionary history of this group. We describe three species of clitellate cocoons (viz., Burejospermum seymourense sp. nov., B. punctatum sp. nov. and Pegmatothylakos manumii gen. et sp. nov.) from the lower Eocene La Meseta Formation, Seymour Island, Antarctica. The cocoons probably derive from continental settings and were transported to, and preserved within, nearshore marine to estuarine environments. The cocoons provide the first evidence of commensal or parasitic relationships in the Eocene continental ecosystems of Antarctica. Moreover, numerous micro-organisms and the oldest fossilized examples of animal spermatozoa are preserved as moulds within the consolidated walls of the cocoons. Fossil annelid cocoons offer potential for enhanced palaeoenvironmental interpretation of sediments, correlation between continental and shallowmarine strata, and improved understanding of the development of clitellate annelid reproductive traits and the evolutionary history of soft-bodied micro-organisms in general.

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Animal–plant interactions in a Middle Permian permineralised peat of the Bainmedart Coal Measures, Prince Charles Mountains, Antarctica

Cited by 75 publications

References 91 publications

Biota and palaeoenvironment of a high middle-latitude Late Triassic peat-forming ecosystem from Hopen, Svalbard archipelago

Biota and palaeoenvironment of a high middle-latitude Late Triassic peat-forming ecosystem from Hopen, Svalbard archipelago

Coprolites in mid-Cambrian (Series 2-3) Burgess Shale-type deposits of Nevada and Utah and their ecological implications

Fossil clitellate annelid cocoons and their microbiological inclusions from the Eocene of Seymour Island, Antarctica

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