Sebecidae
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Sebecidae is an extinct family of prehistoric terrestrial sebecosuchian crocodylomorphs, known from the Late Cretaceous and Cenozoic of Europe, South America and the Caribbean. They were the latest surviving group of non-crocodilian crocodylomorphs. Sebecids are colloquially known as land crocodiles.
The oldest known member once attributed to the group is Ogresuchus furatus known from the Upper Cretaceous (Maastrichtian) Tremp Formation (Spain).[2] However, a 2026 study suggested that this taxon more likely represents an atoposaurid.[3] Other records of the group are known from the Eocene of Europe.[4] Sebecids were diverse, abundant and broadly distributed in South America (mostly in Argentina, Brazil and Bolivia) during the Cenozoic, from the Paleocene until the Middle Miocene.[5] The youngest known sebecids identified as cf. Sebecus sp. are reported from the Late Miocene-Early Pliocene strata of the Dominican Republic.[6]
This group included many medium- and large-sized genera, from Sebecus to the giant 6-metre-long (20 ft) Barinasuchus from the Miocene.[7] They are thought to have served as apex terrestrial predators of their ecosystems.[8]
Phylogeny
Juan Leardi and colleagues in 2024 defined Sebecidae in PhyloCode as "the least inclusive clade containing Sebecus icaeorhinus, Bretesuchus bonapartei, Barinasuchus arveloi, and Sahitisuchus fluminensis".[9] The following cladogram simplified after Diego Pol and Jaime E. Powell (2011).[5]
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References
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- ^ Page Module:Citation/CS1/styles.css has no content.Martin, J. E.; Pochat-Cottilloux, Y.; Laurent, Y.; Perrier, V.; Robert, E.; Antoine, P.-O. (2023). "Anatomy and phylogeny of an exceptionally large sebecid (Crocodylomorpha) from the middle Eocene of southern France". Journal of Vertebrate Paleontology. 42 (4) e2193828. doi:10.1080/02724634.2023.2193828. S2CID 258361595.
- ^ Page Module:Citation/CS1/styles.css has no content.Sellés, A. G.; Blanco, A.; Vila, B.; Marmi, J.; López-Soriano, F. J.; Llácer, S.; Frigola, J.; Canals, M.; Galobart, À. (2020). "A small Cretaceous crocodyliform in a dinosaur nesting ground and the origin of sebecids". Scientific Reports. 10 (1) 15293. Bibcode:2020NatSR..1015293S. doi:10.1038/s41598-020-71975-y. PMC 7499430. PMID 32943663.
- ^ Page Module:Citation/CS1/styles.css has no content.Szegszárdi, M.; Ősi, A.; Rabi, M. (2026). "Cretaceous crocodyliform reconciles conflicting evidence on the Mesozoic paleogeography of Europe during the Gondwana-Laurasia split". Scientific Reports. 16 2842. doi:10.1038/s41598-025-28504-6.
- ^ Page Module:Citation/CS1/styles.css has no content.Martin, Jeremy E.; Pochat-Cottilloux, Yohan; Laurent, Yves; Perrier, Vincent; Robert, Emmanuel; Antoine, Pierre-Olivier (2022-10-28). "Anatomy and phylogeny of an exceptionally large sebecid (Crocodylomorpha) from the middle Eocene of southern France". Journal of Vertebrate Paleontology. 42 (4). Bibcode:2022JVPal..42E3828M. doi:10.1080/02724634.2023.2193828. ISSN 0272-4634.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Pol, Diego; Powell, Jaime E. (2011). "A new sebecid mesoeucrocodylian from the Rio Loro Formation (Palaeocene) of north-western Argentina". Zoological Journal of the Linnean Society. 163: S7–S36. doi:10.1111/j.1096-3642.2011.00714.x. hdl:11336/69518.
- ^ Page Module:Citation/CS1/styles.css has no content.Viñola López, L. W.; Velez-Juarbe, J.; Münch, P.; Almonte Milan, J. N.; Antoine, P.-O.; Marivaux, L.; Jimenez-Vasquez, O.; Bloch, J. (2025). "A South American sebecid from the Miocene of Hispaniola documents the presence of apex predators in early West Indies ecosystems". Proceedings of the Royal Society B: Biological Sciences. 292 (2045). 20242891. doi:10.1098/rspb.2024.2891. PMC 12040450. PMID 40300627.
- ^ Page Module:Citation/CS1/styles.css has no content.Salias-Gismondi, R.; Antoine, P. O.; Baby, P.; Brusset, S.; Benammi, M.; Espurt, N.; de Franceschi, D.; Pujos, F.; et al. (2007). Middle Miocene Crocodiles From the Fitzcarrald Arch, Amazonian Peru (PDF). Instituto Geológical y Minero de España. p. 4. ISBN 978-84-7840-707-1. Archived from the original (PDF) on July 4, 2009. Retrieved May 12, 2010.
- ^ Page Module:Citation/CS1/styles.css has no content.Pochat-Cottilloux, Yohan; Martin, Jeremy E.; Faure-Brac, Mathieu G.; Jouve, Stéphane; de Muizon, Christian; Cubo, Jorge; Lécuyer, Christophe; Fourel, François; Amiot, Romain (1 September 2023). "A multi-isotopic study reveals the palaeoecology of a sebecid from the Paleocene of Bolivia". Palaeogeography, Palaeoclimatology, Palaeoecology. 625 111667. doi:10.1016/j.palaeo.2023.111667. Retrieved 15 November 2024 – via Elsevier Science Direct.
- ^ Page Module:Citation/CS1/styles.css has no content.Leardi, J. M.; Pol, D.; Montefeltro, F.; Marinho, T. S.; Ruiz, J. V.; Bravo, G. G.; Pinheiro, A. E. P.; Godoy, P. L.; Nicholl, C. S. C.; Lecuona, A.; Larsson, H. C. E. (2024). "Phylogenetic nomenclature of Notosuchia (Crocodylomorpha; Crocodyliformes)". Bulletin of Phylogenetic Nomenclature. 1 (3): 44–82. doi:10.11646/bpn.1.3.2.
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