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| Main Authors: | , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
PeerJ
2026
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/41877866/ |
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| _version_ | 1868266069655814144 |
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| author | Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit |
| author_facet | Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit |
| collection | PubMed - marine biology |
| contents | A new teleosaurid (Crocodylomorpha, Thalattosuchia) from the Sibumasu Terrane of Southeast Asia and a taxonomic reassessment of . Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit Animals Phylogeny Fossils Thailand Dinosaurs Asia, Southeastern We describe teleosaurid remains from the Middle to Upper Jurassic Khlong Min Formation at Ban Nam Pun in southern Thailand and define sp. nov. This new species is diagnosed by a unique combination of cranial and postcranial features, including the nasal reaching anteriorly at the level of the 18th maxillary alveolus, absence of an incisive foramen, oval-shaped external nares, and broad ornamented osteoderms. Phylogenetic analysis positions within a polytomy alongside and other Asian teleosaurids, supporting a monophyletic Teleosauroidea. In addition, the revision of as a junior synonym of also strengthens the taxonomic framework of the genus . sp. nov., discovered in a low-energy lagoonal environment, offers significant insights on the ecological preferences of teleosaurids. In contrast to the fluvially deposited Phu Kradung Formation of northeastern Thailand, the lagoonal and marginal marine sediments of the Khlong Min Formation are considered indicative of a broad spectrum of habitat occupation by Asian teleosauroids. Based on these observations, a high degree of ecological plasticity has been inferred for Thai teleosaurids, and their extensive dispersal across both the Sibumasu and Indochina terranes during the Middle to Late Jurassic has been further substantiated. The recognition of sp. nov. contributes to our understanding of teleosaurid diversity and paleobiogeography in Southeast Asia. |
| format | Artículo científico |
| id | pubmed_41877866 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | PeerJ |
| record_format | pubmed |
| spellingShingle | A new teleosaurid (Crocodylomorpha, Thalattosuchia) from the Sibumasu Terrane of Southeast Asia and a taxonomic reassessment of . Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit Animals Phylogeny Fossils Thailand Dinosaurs Asia, Southeastern A new teleosaurid (Crocodylomorpha, Thalattosuchia) from the Sibumasu Terrane of Southeast Asia and a taxonomic reassessment of . Lauprasert, Komsorn Nilpanapan, Apirut Martin, Jeremy E Claude, Julien Wongko, Kamonlak Trakunweerayut, Kantanat Dobutr, Nuntida Manitkoon, Sita Bhuttarach, Supanut Nonsrirach, Thanit Animals Phylogeny Fossils Thailand Dinosaurs Asia, Southeastern We describe teleosaurid remains from the Middle to Upper Jurassic Khlong Min Formation at Ban Nam Pun in southern Thailand and define sp. nov. This new species is diagnosed by a unique combination of cranial and postcranial features, including the nasal reaching anteriorly at the level of the 18th maxillary alveolus, absence of an incisive foramen, oval-shaped external nares, and broad ornamented osteoderms. Phylogenetic analysis positions within a polytomy alongside and other Asian teleosaurids, supporting a monophyletic Teleosauroidea. In addition, the revision of as a junior synonym of also strengthens the taxonomic framework of the genus . sp. nov., discovered in a low-energy lagoonal environment, offers significant insights on the ecological preferences of teleosaurids. In contrast to the fluvially deposited Phu Kradung Formation of northeastern Thailand, the lagoonal and marginal marine sediments of the Khlong Min Formation are considered indicative of a broad spectrum of habitat occupation by Asian teleosauroids. Based on these observations, a high degree of ecological plasticity has been inferred for Thai teleosaurids, and their extensive dispersal across both the Sibumasu and Indochina terranes during the Middle to Late Jurassic has been further substantiated. The recognition of sp. nov. contributes to our understanding of teleosaurid diversity and paleobiogeography in Southeast Asia. |
| title | A new teleosaurid (Crocodylomorpha, Thalattosuchia) from the Sibumasu Terrane of Southeast Asia and a taxonomic reassessment of . |
| topic | Animals Phylogeny Fossils Thailand Dinosaurs Asia, Southeastern |
| url | https://pubmed.ncbi.nlm.nih.gov/41877866/ |