Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.

<h4>Background</h4>The genus Gavialis comprises a single living but endangered species, G. gangeticus, as well as fossil species recorded in the Miocene to Pleistocene deposits of the Indian subcontinent. The genus is also represented in the Pleistocene deposits of Java by the species G....

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Autores principales:	Jeremy E Martin, Eric Buffetaut, Wilailuck Naksri, Komsorn Lauprasert, Julien Claude
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ccc2023a8fec4bcaae1fcc0b86802d93
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spelling	oai:doaj.org-article:ccc2023a8fec4bcaae1fcc0b86802d932021-11-18T07:05:17ZGavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.1932-620310.1371/journal.pone.0044541https://doaj.org/article/ccc2023a8fec4bcaae1fcc0b86802d932012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23028557/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>The genus Gavialis comprises a single living but endangered species, G. gangeticus, as well as fossil species recorded in the Miocene to Pleistocene deposits of the Indian subcontinent. The genus is also represented in the Pleistocene deposits of Java by the species G. bengawanicus, which was recently recognized to be valid. Surprisingly, no detailed report of the genus exists between these two provinces and the recent evolutionary history of Gavialis is not understood.<h4>Methodology/principal findings</h4>We report new material consisting of skull and mandibular remains of Gavialis from the Early Pleistocene of Khok Sung, Nakhon Ratchasima Province, northeastern Thailand. The Gavialis material described herein is attributed to Gavialis cf. bengawanicus and sheds new light on the occurrence of the genus in mainland SE Asia.<h4>Conclusions/significance</h4>Comparison of this new material with other species referred to the genus Gavialis led us to preliminary restrict the content of the genus to three species, namely G. gangeticus Gmelin, G. bengawanicus Dubois and G. lewisi Lull. The occurrence of G. cf. bengawanicus in Thailand allows us to propose a scenario for the dispersal of Gavialis from Indo-Pakistan to Indonesia, thus bridging a geographical gap between these two provinces. Dispersal by sea appears a less likely possibility than dispersal through fluvial drainages.Jeremy E MartinEric BuffetautWilailuck NaksriKomsorn LauprasertJulien ClaudePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e44541 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jeremy E Martin Eric Buffetaut Wilailuck Naksri Komsorn Lauprasert Julien Claude Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
description	<h4>Background</h4>The genus Gavialis comprises a single living but endangered species, G. gangeticus, as well as fossil species recorded in the Miocene to Pleistocene deposits of the Indian subcontinent. The genus is also represented in the Pleistocene deposits of Java by the species G. bengawanicus, which was recently recognized to be valid. Surprisingly, no detailed report of the genus exists between these two provinces and the recent evolutionary history of Gavialis is not understood.<h4>Methodology/principal findings</h4>We report new material consisting of skull and mandibular remains of Gavialis from the Early Pleistocene of Khok Sung, Nakhon Ratchasima Province, northeastern Thailand. The Gavialis material described herein is attributed to Gavialis cf. bengawanicus and sheds new light on the occurrence of the genus in mainland SE Asia.<h4>Conclusions/significance</h4>Comparison of this new material with other species referred to the genus Gavialis led us to preliminary restrict the content of the genus to three species, namely G. gangeticus Gmelin, G. bengawanicus Dubois and G. lewisi Lull. The occurrence of G. cf. bengawanicus in Thailand allows us to propose a scenario for the dispersal of Gavialis from Indo-Pakistan to Indonesia, thus bridging a geographical gap between these two provinces. Dispersal by sea appears a less likely possibility than dispersal through fluvial drainages.
format	article
author	Jeremy E Martin Eric Buffetaut Wilailuck Naksri Komsorn Lauprasert Julien Claude
author_facet	Jeremy E Martin Eric Buffetaut Wilailuck Naksri Komsorn Lauprasert Julien Claude
author_sort	Jeremy E Martin
title	Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
title_short	Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
title_full	Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
title_fullStr	Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
title_full_unstemmed	Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.
title_sort	gavialis from the pleistocene of thailand and its relevance for drainage connections from india to java.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/ccc2023a8fec4bcaae1fcc0b86802d93
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Gavialis from the Pleistocene of Thailand and its relevance for drainage connections from India to Java.

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