Journal
PLOS ONE
Volume 16, Issue 6, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0251900
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Funding
- program Axudas a etapa postdoutoral da Xunta de Galicia 2017 Modalidade A [ED481B 2017/027]
- program Ayudas Juan de la Cierva - Formacion 2019 [FJC2019-042583-I]
- European Commission via the H2020 Research Infrastructure programme [DETAF-2604]
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This study analyzes the impact of including postcranial information on the tree topology of Allodaposuchidae family, revealing a significant phylogenetic signal in postcranial elements. The phylogenetic relationships of allodaposuchids within Eusuchia are reassessed, with new and improved diagnoses provided for each species.
Our current knowledge on the crocodyliform evolution is strongly biased towards the skull morphology, and the postcranial skeleton is usually neglected in many taxonomic descriptions. However, it is logical to expect that it can contribute with its own phylogenetic signal. In this paper, the changes in the tree topology caused by the addition of the postcranial information are analysed for the family Allodaposuchidae, the most representative eusuchians in the latest Cretaceous of Europe. At present, different phylogenetic hypotheses have been proposed for this group without reaching a consensus. The results of this paper evidence a shift in the phylogenetic position when the postcranium is included in the dataset, pointing to a relevant phylogenetic signal in the postcranial elements. Finally, the phylogenetic relationships of allodaposuchids within Eusuchia are reassessed; and the internal relationships within Allodaposuchidae are also reconsidered after an exhaustive revision of the morphological data. New and improved diagnoses for each species are here provided.
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