Data from: Analysing Thalattosuchia paleobiodiversity under the prism of phylogenetic comparative methods
Data files
Jan 09, 2025 version files 78.97 KB
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README.md
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Abstract
Thalattosuchia is a particularly diverse group of mostly marine crocodylomorphs that lived during most of the Jurassic and Lower Cretaceous. Previous studies have sought to uncover the factors influencing Crocodylomorph evolution, yielding mixed results, possibly due to Thalattosuchia’s unique ecological niche and controversial phylogenetic placement among Crocodylomorph. Here, we propose a Thalattosuchia-focused study using phylogenetically-informed statistical analyses. First, we tested the phylogenetic structure of thalattosuchian survival at various geological transitions. We then tested the influence of biotic and abiotic factors on thalattosuchian diversity at the aforementioned crises. Finally, we tested whether diet was an additional explanatory factor. We found that (1) thalattosuchian diversification at the Lower-Middle Jurassic transition was phylogenetically structured and associated with signs of snout reduction possibly explained by the colonisation of emptied ecological niches, allowing the emergence of Machimosaurinae and Geosaurinae ; (2) we observed higher local temperatures for Thalattosuchia after the Middle-Upper Jurassic and Jurassic-Cretaceous transitions, the former being in accordance with most climatic literature and the latter being subject to more caution; Finally, (3) we corroborated previous studies about skull shape and found that durophageous teleosauroids tended to have larger body sizes than any other diet, possibly as a result of ecological specialization. We also found evidences of niche partitioning among piscivorous and macrophageous metriorhynchoids that is observable by a size range extension.
README: Data from: Analysing Thalattosuchia paleobiodiversity under the prism of phylogenetic comparative methods
Supplementary File captions :
Supplementary File 1 contains all of the raw bibliographical about the age (file 1-1, sheet 1), biotic and abiotic factors (file 1-1, sheet 2) data for each Thalattosuchia species in our sample (88 species of extinct Thalattosuchia). The associated bibliography is also provided (file 1-2).
Supplementary File 2 contains the R script for all analyses.
Supplementary File 3 contains the age range tables with varying samples used to generate the nexus files. The tables are presented in the following order: Thalattosuchia, Teleosauroidea, Metriorhynchoidea
Supplementary File 4 contains all of the generated nexus files, which are used for all further analyses. The nexus files are presented in the following order : Thalattosuchia, Teleosauroidea, Metriorhynchoidea
Supplementary File 5 contains all data used to test the phylogenetic distribution of Thalattosuchia extinction at various geological landmarks in the phylogeny using D-statistic. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic, Upper Jurassic/Cretaceous and Jurassic/Cretaceous
Supplementary File 6 contains all data used to test the phylogenetic distribution of Teleosauroidea extinction at various geological landmarks in the phylogeny using D-statistic. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic
Supplementary File 7 contains all data used to test the phylogenetic distribution of Metriorhynchoidea extinction at various geological landmarks in the phylogeny using D-statistic. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic, Upper Jurassic/Cretaceous and Jurassic/Cretaceous
Supplementary File 8 contains all data used to test influence of biotic and abiotic factors on survival at various geological landmarks among Thalattosuchia using PLR. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic, Upper Jurassic/Cretaceous and Jurassic/Cretaceous
Supplementary File 9 : contains all data used to test influence of biotic and abiotic factors on survival at various geological landmarks among Teleosauroidea using PLR. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic
Supplementary File 10 contains all data used to test influence of biotic and abiotic factors on survival at various geological landmarks among Metriorhynchoidea using PLR. The tables are presented in the following order : Lower Jurassic/Middle Jurassic, Middle Jurassic/Upper Jurassic, Upper Jurassic/Cretaceous and Jurassic/Cretaceous
Supplementary File 11 contains all data used to test the influence of diet on the evolution of Thalattosuchia using PGLS, the tables are in the following order: 4 categories coding and 3 categories coding
Supplementary File 12 contains all data used to test the influence of diet on the evolution of Teleosauroidea using PGLS
Supplementary File 13 contains all data used to test the influence of diet on the evolution of Metriorhynchoidea using PGLS, the tables are in the following order: 4 categories coding and 3 categories coding
Supplementary File 14 contains all results of the Pearson Correlation Coeficient for each combination of variables, significant p-values are below 0.05. =<0.05; *=<0.01; ***=<0.001
Supplementary File 15 contains all results of the PLR analyses using interaction, significant p-values are below 0.05. =<0.05; *=<0.01; ***=<0.001
Supplementary File 16 contains all results of the PLR analyses using addition, significant p-values are below 0.05. =<0.05; *=<0.01; ***=<0.001
Missing data: NA