Quantitative plant taphonomy: the cosmopolitan Mesozoic fern Weichselia reticulata as a case study
Entity
UAM. Departamento de BiologíaPublisher
WileyDate
2022-11-09Citation
Palaeontology 65.6 (2022): e12627ISSN
0031-0239 (print); 1475-4983 (online)Funded by
We would like to thank to the support of three grants awarded to CB-M by the SYNTHESYS Project http:// www.synthesys.info/ financed by the European Community Research Infrastructure Action under the FP7 Integrating Activities Program: BE-TAF-6350, FR-TAF-6323, GB-TAF6933. CB-M is supported by a Margarita Salas CA1/RSUE/2021–00703 scholarship from the Universidad Autonoma de Madrid and Ministerio de Universi- dades de Espana. This work is part of the project PID2019- 105546GB-I00 of the Ministerio de Ciencia e Inovación de EspañaProject
Gobierno de España. PID2019-105546GB-I00Editor's Version
https://doi.org/10.1111/pala.12627Subjects
Lower Cretaceous; Taphonomy; Quantitative methods; Wildfire; Biología y Biomedicina / BiologíaRights
© 2022 The AuthorsAbstract
A quantitative approach to plant taphonomy
focusing on preservation type and fragment size is tested
by comparing 3338 Weichselia reticulata fragments from 25
Lower Cretaceous localities of different ages and depositional environments. Moreover, palaeobiological insights are
also obtained from the taphonomic analyses. In the case of
the specimens of Weichselia reticulata included in this
work, charred remains are the most frequent preservation
type, and are the smallest and most homogeneous in size,
probably due to the fragmentation of the fronds while
burning and to the fact that burnt fragments are more fragile and break easily during the initial abrasion and attrition produced by transport. The size of charred fragments
varies depending on the depositional environment, suggesting that biostratinomic processes, and not fire temperature, are the main cause for size differences, and providing valuable insight into the distance the remains might
have travelled from production to final deposition. The
taphonomic analysis suggests that Weichselia reticulata is
allochthonous in all the localities analysed, and that its
habitat would have been prone to fire and not far from
freshwater systems. This case study shows promising results
that can be implemented on different plant groups and
chronostratigraphic ages, allowing for the proposal of a
taphonomic model
Files in this item
Google Scholar:Blanco Moreno, Candela
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Martín Abad, Hugo Javier
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Buscalioni, Angela D.
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