The Middle Pleistocene mammalian fauna from Tam Hang karstic deposit, northern Laos: New data and evolutionary hypothesis

Bacon, Anne Marie; Duringer, Philippe; Antoine, Pierre; Demeter, Fabrice; Shackelford, Laura; Sayavongkhamdy, Thongsa; Sichanthongtip, Phonephan; Khamdalavong, P.; Nokhamaomphu, S.; Sysuphanh, V.; Patole-Edoumba, Élise; Chabaux, François; Pelt, Éric

doi:10.1016/j.quaint.2010.11.024

Cited by 52 publications

(42 citation statements)

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“…The lower breccia contained isolated well-preserved teeth that form the new assemblage. The composition is comparable to the faunal list of Arambourg and Fromaget (1938), but new taxa are recorded for the first time, specifically several small carnivorans and one rodent (Bacon et al, 2011). No human remains are recorded at Tam Hang South.…”

Section: Accepted M Manuscript 11supporting

confidence: 72%

“…In 2003 and2007, two fieldwork seasons conducted by a Lao-American-French team led to the collection of new faunal material from Tam Hang South (Bacon et al, 2008a(Bacon et al, , 2011. The remaining breccias from this locality were located at the basal part of the cliff (Fig.…”

Section: Accepted M Manuscript 11mentioning

confidence: 99%

“…All genera are represented, but it is difficult to distinguish the different species of Macaca, Trachypithecus and Hylobates (Bacon et al, 2008a(Bacon et al, , 2008b(Bacon et al, , 2011, because the inventory in old Indonesian collections uses old taxonomy (de Vos, 1983;Storm et al, 2005) (Table 4). …”

Section: Taxonomic Diversitymentioning

confidence: 99%

“…This can be compared with the sites we studied. At Tam Hang, out of 673 specimens, only two fragments of mandibles were recovered (cervid and suid; Bacon et al, 2011); at Duoi U'Oi, among the 871 specimens, two fragments of jaws of macaque are recorded (one hemi-maxilla and one hemi-mandible; Bacon et al, 2008b); at Nam Lot, the assemblage is composed of 385 isolated teeth , but no bones. …”

Section: Taxonomic Diversitymentioning

confidence: 99%

“…On the basis of (i) the evolutionary stages in lineages of modern mammals (subspecies defined on dental dimensions showing more or less advanced stages among the welldocumented species), (ii) the presence of species such as Megatapirus augustus and Stegodon orientalis to be specific, and also (iii) the occurrence of new incomers, we first considered the Tam Hang South fauna as rather characteristic of the late Middle Pleistocene (Bacon et al, 2011). The new age range of 94-60 ka is slightly younger that we anticipated.…”

Section: The Evolutionary Framementioning

confidence: 99%

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Late Pleistocene mammalian assemblages of Southeast Asia: New dating, mortality profiles and evolution of the predator–prey relationships in an environmental context

Bacon

Westaway

Antoine

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Karstic sites have great potential for yielding data regarding changes in faunal communities in the Pleistocene of Southeast Asia. In this region, the majority of fossil-bearing deposits are karstic breccias, which generally demonstrate a complicated sedimentary history. While most of the mammalian assemblages recovered in these deposits are only composed of isolated teeth, their study remains essential for reconstructing palaeoecology and palaeoclimatology of the region. We analysed the assemblages recovered in three mainland and two insular karstic sites: Tam

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Section: Accepted M Manuscript 11supporting

confidence: 72%

Section: Accepted M Manuscript 11mentioning

confidence: 99%

Section: Taxonomic Diversitymentioning

confidence: 99%

Section: Taxonomic Diversitymentioning

confidence: 99%

Section: The Evolutionary Framementioning

confidence: 99%

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Late Pleistocene mammalian assemblages of Southeast Asia: New dating, mortality profiles and evolution of the predator–prey relationships in an environmental context

Bacon

Westaway

Antoine

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Evolutionary history of orangutan plasmodia revealed by phylogenetic analysis of complete mtDNA genomes and new biogeographical divergence dating calibration models

Reid

Switzer

Alonso

et al. 2021

American J Primatol

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During the past 15 years, researchers have shown a renewed interest in the study of the Plasmodium parasites that infect orangutans. Most recently, studies examined the phylogenetic relationships and divergence dates of these parasites in orangutans using complete mitochondrial DNA genomes. Questions regarding the dating of these parasites, however, remain. In the present study, we provide a new calibration model for dating the origins of Plasmodium parasites in orangutans using a modified date range for the origin of macaques in Asia. Our Bayesian phylogenetic analyses of complete Plasmodium sp. mitochondrial DNA genomes inferred two clades of plasmodia in orangutans (Pongo 1 and Pongo 2), and that these clades likely represent the previously identified species Plasmodium pitheci and Plasmodium silvaticum. However, we cannot identify which Pongo clade is representative of the morphologically described species. The most recent common ancestor of both Pongo sp. plasmodia, Plasmodium. hylobati, and Plasmodium. inui dates to 3–3.16 million years ago (mya) (95% highest posterior density [HPD]: 2.09–4.08 mya). The Pongo 1 parasite diversified 0.33–0.36 mya (95% HPD: 0.12–0.63), while the Pongo 2 parasite diversified 1.15–1.22 mya (95% HPD: 0.63–1.82 mya). It now seems likely that the monkey Plasmodium (P. inui) is the result of a host switch event from the Pongo 2 parasite to sympatric monkeys, or P. hylobati. Our new estimates for the divergence of orangutan malaria parasites, and subsequent diversification, are all several hundred thousand years later than previous Bayesian estimates.

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The Future of Mammals in Southeast Asia: Conservation Insights from the Fossil Record

Louys

2012

Paleontology in Ecology and Conservation

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The Middle Pleistocene mammalian fauna from Tam Hang karstic deposit, northern Laos: New data and evolutionary hypothesis

Cited by 52 publications

References 20 publications

Late Pleistocene mammalian assemblages of Southeast Asia: New dating, mortality profiles and evolution of the predator–prey relationships in an environmental context

Late Pleistocene mammalian assemblages of Southeast Asia: New dating, mortality profiles and evolution of the predator–prey relationships in an environmental context

Evolutionary history of orangutan plasmodia revealed by phylogenetic analysis of complete mtDNA genomes and new biogeographical divergence dating calibration models

The Future of Mammals in Southeast Asia: Conservation Insights from the Fossil Record

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