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Multi‐proxy analyses of Late Cretaceous coprolites from Germany
Uppsala University.ORCID-id: 0000-0001-7998-2243
Nikolaou Plastira 3, Kardia, 57500 Thessaloniki, Greece.
Lund University.ORCID-id: 0000-0001-7281-6840
Jud. Dâmboviţa, Sat. Mătăsaru 93, RO-137295 Com. Mătăsaru, Romania.
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2019 (Engelska)Ingår i: Lethaia: an international journal of palaeontology and stratigraphy, ISSN 0024-1164, E-ISSN 1502-3931, Vol. 52, s. 550-569Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A total of 462 coprolites from three localities exposing Upper Cretaceous deposits in the Münster Basin, northwestern Germany, have been subjected to an array of analytical techniques, with the aim of elucidating ancient trophic structures and predator–prey interactions. The phosphatic composition, frequent bone inclusions, size and morphology collectively suggest that most, if not all, coprolites were produced by carnivorous (predatory or scavenging) vertebrates. The bone inclusions further indicate that the coprolite producers preyed principally upon fish. Putative host animals include bony fish, sharks and marine reptiles – all of which have been previously recorded from the Münster Basin. The presence of borings and other traces on several coprolites implies handling by coprophagous organisms. Remains of epibionts are also common, most of which have been identified as the encrusting bivalve Atreta. Palynological analyses of both the coprolites and host rocks reveal a sparse assemblage dominated by typical Late Cretaceous dinoflagellates, and with sub‐ordinate fern spores, conifer pollen grains and angiosperm pollen grains. The dinoflagellate key taxon Exochosphaeridium cenomaniense corroborates a Cenomanian age for the Plenus Marl, from which most studied coprolites derive. The findings of this study highlight the potential of a multiproxy approach when it comes to unravelling the origin, composition and importance of coprolites in palaeoecosystem analyses.

Ort, förlag, år, upplaga, sidor
London: John Wiley & Sons, 2019. Vol. 52, s. 550-569
Nyckelord [en]
Cenomanian, coprolites, Late Cretaceous, Münster Basin, palaeoecology
Nationell ämneskategori
Annan geovetenskap och miljövetenskap
Forskningsämne
Den föränderliga jorden; Ekosystem och arthistoria
Identifikatorer
URN: urn:nbn:se:nrm:diva-3418DOI: 10.1111/let.12330OAI: oai:DiVA.org:nrm-3418DiVA, id: diva2:1372935
Forskningsfinansiär
Vetenskapsrådet, 2015‐04264
Anmärkning

MEE and JL acknowledge the Swedish Research Council for funding. AL acknowledges the Royal Physiographic Society of Lund for funding. MQ is funded by the Department of Organismal Biology (Uppsala University). BWR acknowledges the Department of Forensic Medicine, Copenhagen University. VV acknowledges funding from the Lund University Carbon Cycle Centre (LUCCI)

Tillgänglig från: 2019-03-01 Skapad: 2019-11-25Bibliografiskt granskad

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Förlagets fulltexthttps://onlinelibrary.wiley.com/doi/10.1111/let.12330

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Qvarnström, MartinLindskog, AndersVajda, ViviEriksson, Mats E.
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Lethaia: an international journal of palaeontology and stratigraphy
Annan geovetenskap och miljövetenskap

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