A new Peirosauridae (Crocodyliformes, Notosuchia) from the Adamantina Formation (Bauru Group, Late Cretaceous), with a revised phylogenetic analysis of Sebecia
Corresponding Author
Juan V. Ruiz
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Correspondence
Juan V. Ruiz, Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil.
Email: [email protected]
Contribution: Conceptualization, Investigation, Writing - original draft, Methodology, Visualization, Writing - review & editing, Formal analysis, Data curation, Software, Validation
Search for more papers by this authorMarcos V. L. Queiroz
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Contribution: Conceptualization, Investigation, Writing - original draft, Methodology, Visualization, Writing - review & editing, Formal analysis, Data curation, Software, Validation
Search for more papers by this authorKawan C. Martins
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Contribution: Conceptualization, Investigation, Writing - review & editing, Methodology, Software, Visualization
Search for more papers by this authorPedro L. Godoy
Department of Zoology, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York, USA
Contribution: Methodology, Software, Data curation, Investigation, Writing - review & editing, Visualization
Search for more papers by this authorFabiano V. Iori
Museu de Paleontologia “Pedro Candolo”, Estação Cultura, Praça Farmacêutico Bruno Garisto, Uchôa, SP, Brazil
Museu de Paleontologia “Prof. Antonio Celso de Arruda Campos”, Centro de Artes, Praça do Centenário, Monte Alto, SP, Brazil
Contribution: Investigation, Writing - review & editing, Visualization
Search for more papers by this authorMax C. Langer
Laboratório de Paleontologia, Departamento de Biologia - FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
Search for more papers by this authorFelipe C. Montefeltro
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Contribution: Conceptualization, Methodology, Investigation, Writing - review & editing, Visualization, Supervision
Search for more papers by this authorMario Bronzati
Eberhard Karl University of Tübingen, Tübingen, Germany
Contribution: Conceptualization, Methodology, Investigation, Supervision, Visualization, Writing - review & editing
Search for more papers by this authorCorresponding Author
Juan V. Ruiz
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Correspondence
Juan V. Ruiz, Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil.
Email: [email protected]
Contribution: Conceptualization, Investigation, Writing - original draft, Methodology, Visualization, Writing - review & editing, Formal analysis, Data curation, Software, Validation
Search for more papers by this authorMarcos V. L. Queiroz
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Contribution: Conceptualization, Investigation, Writing - original draft, Methodology, Visualization, Writing - review & editing, Formal analysis, Data curation, Software, Validation
Search for more papers by this authorKawan C. Martins
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Letras e Ciências Exatas, IBILCE-UNESP, São José do Rio Preto, SP, Brazil
Contribution: Conceptualization, Investigation, Writing - review & editing, Methodology, Software, Visualization
Search for more papers by this authorPedro L. Godoy
Department of Zoology, Institute of Biosciences, University of São Paulo, São Paulo, SP, Brazil
Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York, USA
Contribution: Methodology, Software, Data curation, Investigation, Writing - review & editing, Visualization
Search for more papers by this authorFabiano V. Iori
Museu de Paleontologia “Pedro Candolo”, Estação Cultura, Praça Farmacêutico Bruno Garisto, Uchôa, SP, Brazil
Museu de Paleontologia “Prof. Antonio Celso de Arruda Campos”, Centro de Artes, Praça do Centenário, Monte Alto, SP, Brazil
Contribution: Investigation, Writing - review & editing, Visualization
Search for more papers by this authorMax C. Langer
Laboratório de Paleontologia, Departamento de Biologia - FFCLRP, Universidade de São Paulo, Ribeirão Preto, Brazil
Search for more papers by this authorFelipe C. Montefeltro
Laboratório de Paleontologia e Evolução de Ilha Solteira, FEIS-UNESP, Ilha Solteira, SP, Brazil
Contribution: Conceptualization, Methodology, Investigation, Writing - review & editing, Visualization, Supervision
Search for more papers by this authorMario Bronzati
Eberhard Karl University of Tübingen, Tübingen, Germany
Contribution: Conceptualization, Methodology, Investigation, Supervision, Visualization, Writing - review & editing
Search for more papers by this authorJuan V. Ruiz and Marcos V. L. Queiroz contributed equally.
Abstract
Peirosauridae (Crocodyliformes, Notosuchia) is one of the fossil lineages of crocodyliforms ubiquitous in the Cretaceous deposits of the Bauru Basin. Here, we describe a new species of a longirostrine Peirosauridae from the Adamantina Formation (Bauru Basin, Late Cretaceous). The specimen consists of a partially preserved skull with a cranial roof, interorbital region, and fragments of the posterior portion of the rostrum, including the prefrontal and lacrimal; left hemimandible, with 14 alveoli and 12 teeth; and a single cervical rib fragment. The specimen is associated with Peirosauridae by three cranial synapomorphies, and it can be assigned to a new genus and species by presenting seven cranial and one tooth apomorphies. To clarify the position of the new taxon, an updated phylogenetic analysis was performed with increased sampling of taxa of Notosuchia, especially Peirosauridae, and phylogenetically relevant characters. Our results indicated the monophyly of Peirosauridae, formed by two main lineages, the oreinirostral and presumably terrestrial Peirosaurinae and the longirostrine and presumably semi-aquatic Pepesuchinae. The recovering of both lineages as distinct entities was also reinforced through a morphospace analysis. Pepesuchinae were notable by exploring a position of the morphospace not explored by any other Notosuchia. Their longer rostra and the assumption of them being gradually specialized to aquatic habits reflects the unique diversity of these crocodyliforms through the Cretaceous deposits of South America and Africa.
Graphical Abstract
This study presents a new species of Peirosauridae, Epoidesuchus tavaresae, from the Adamantina Formation, Cretaceous of Brazil. In the most complete phylogenetic analysis of this lineage conducted to date, Peirosauridae was recovered encompassing two main lineages, Peirosaurinae (usually orenirostrine forms) and Pepesuchinae (usually longirostrine forms).
CONFLICT OF INTEREST STATEMENT
The authors declare no competing interests.
Supporting Information
| Filename | Description |
|---|---|
| ar25559-sup-0001-AppendixS1.zipZip archive, 7.6 MB | Appendix S1. |
| ar25559-sup-0002-DataS1.rarapplication/x-rar-compressed, 40.7 KB | Data S1. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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