Yaowalak Chaimanee

Yaowalak Chaimanee
French National Centre for Scientific Research | CNRS · Institut écologie et environnement (INEE)

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206
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Introduction
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Publications

Publications (206)
Article
Full-text available
Serows and gorals (Bovidae, Caprinae) are emblematic antelopes distributed in Southeast Asia. They all are nearly threaten or vulnerable species nowadays despite having a more widespread distribution during the Pleistocene. Fossils of three native caprine species, i.e., a Sumatran serow Capricornis sumatraensis, Chinese goral Naemorhedus griseus, a...
Article
Full-text available
Serows and gorals (Bovidae, Caprinae) are emblematic antelopes distributed in Southeast Asia. They all are nearly threaten or vulnerable species nowadays despite having a more widespread distribution during the Pleistocene. Fossils of three native caprine species, i.e., a Sumatran serow Capricornis sumatraensis , Chinese goral Naemorhedus griseus ,...
Article
Full-text available
The evolutionary history and palaeoecology of orangutans remains poorly understood until today. The restricted geographic distribution of extant Pongo indicates specific ecological needs. However, it is not clear whether these needs were shared by the great diversity of fossil pongines known from the Miocene to the Pleistocene. Here we show how nic...
Article
Full-text available
The diversity of basal ungulates is significant in the late middle Eocene Pondaung Formation (Myanmar). However, the precise identification or attribution of some fossils is sometimes difficult because of the scarcity and poor preservation of the material. We describe here a new genus and species of a Dichobunidae from Paukkaung Kyitchaung 2 locali...
Article
Full-text available
Two species in the subfamily Caprinae, the Sumatran serow Capricornis sumatraensis and Chinese goral Naemorhedus griseus are currently distributed in Thailand and listed as vulnerable species. The Himalayan goral N. goral has no dispersion in Thailand, whereas fossil evidence shows the coexistence of all three species during the Pleistocene. Howeve...
Article
Tham Wiman Nakin or “Snake Cave” has so far been recognized as being the only late Middle Pleistocene Homo-bearing fauna, dated to older than 169 ka, in mainland Southeast Asia. Since the last two decades, the highly diversified mammal fauna found from this cave has been widely used as standard references for several studies, though the majority of...
Article
Parapithecines are an extinct subfamily of stem anthropoid primates previously known only from the Jebel Qatrani Formation in Egypt. Here, we describe isolated teeth pertaining to Simonsius harujensis sp. nov., a relatively small-bodied parapithecine from strata near Zallah Oasis in the Sirt Basin of central Libya that is estimated to date to ∼31 M...
Article
The study and reanalysis of late Oligocene and middle Miocene dental material from Thailand provides evidence for long-distance stratigraphic correlations, and thus sheds new light on past terrestrial connections between Southeastern Asia and Europe. Here we report the oldest occurrence of Ursidae in southern Asia – a late Oligocene fossil from Non...
Article
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Since their discovery in 1927, the phylogenetic status of the Myanmar amphipithecines has been highly debated. These fossil primates are recognized either as anthropoids or as adapiform strepsirrhines. This uncertainty was largely the consequence of a limited fossil record consisting mostly of jaw fragments but lacking the critical cranial elements...
Article
The Galericinae are a group of Erinaceidae that are currently distributed in Southeast and Eastern Asia. Although galericines have an Asian origin, their fossil record in this region is scarce, which greatly limits the knowledge of the evolutionary history of this group. We describe here the first fossils of Eulipotyphla from the middle Miocene (13...
Article
Carnivoraformes is a clade comprised of members of the Carnivora, as well as the paraphyletic assemblage of stem taxa previously united under the "Miacidae". Here we describe the earliest known African occurrence of a carnivoraform from the early Oligocene Zallah Incision locality in the Sirt Basin of central Libya. The new taxon is represented by...
Article
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The late middle Miocene fossil-bearing lignite zones of the Mae Moh Basin, northern Thailand, have yielded a rich vertebrate fauna, including two species of Carnivora described thus far: the bunodont otter Siamogale thailandica (known from over a 100 specimens) and the large amphicyonid Maemohcyon potisati. Here we describe additional carnivoran ma...
Article
Full-text available
The present 3D Dataset contains the 3D models described and figured in the following publication: Grohé et al. 2020, the late middle Miocene Mae Moh Basin of northern Thailand: the richest Neogene assemblage of Carnivora from Southeast Asia and a paleobiogeographic analysis of Miocene Asian carnivorans. American Museum Novitates.
Article
Full-text available
Three taxa within the subfamily Caprinae (Himalayan goral Naemorhedus goral, Chinese goral Naemorhedus griseus, and Sumatran serow Capricornis sumatraensis) live in the mountainous upland forests of Southeast Asia, where they are considered as vulnerable or near threatened species. Co-occurrences between these two recognized genera have been docume...
Article
Two new genera and species of small basal ruminants are described from the middle Eocene Pondaung Formation in Myanmar. One form, Paukkaungmeryx minutus, gen. et sp. nov., is attributed to a primitive Archaeomerycidae, and the other, Stenomeryx bahinensis, gen. et sp. nov., very likely represents the oldest known Tragulidae, a family unknown in Pon...
Article
Full-text available
Sivaladapidae is a poorly known Asian strepsirrhine family originally discovered in Miocene sediments of the indian subcontinent. Subsequent research has considerably increased the diversity, temporal range, and geographical distribution of this group, now documented from china, thailand, Myanmar, pakistan, and india and whose earliest representati...
Article
Full-text available
We report here the first direct dating study of the faunal assemblage from Khok Sung locality, Thailand. This palaeontological site is of great biochronological, palaeoenvironmental and biogeographical significance. Firstly, it has yielded a rich and diversified Pleistocene vertebrate fauna with up to 15 mammalian species from 13 genera, 10 reptile...
Article
The evolutionary history of Asian Miocene hominids (great apes and humans) remains poorly documented, obscuring the ancestry of orangutan (Pongo). Khoratpithecus from the middle and late Miocene of Thailand and Myanmar was previously documented only by mandibles and isolated teeth. It has been interpreted as the closest relative of Pongo based on s...
Conference Paper
Carbon and Oxygen isotopic data from fossil tooth enamel suggest an ecological continuity among the Ponginae Sivapithecus, Khoratpithecus and Pongo since around 10 Ma.
Article
Full-text available
Recent discoveries of older and phylogenetically more primitive basal anthropoids in China and Myanmar, the eosimiiforms, support the hypothesis that Asia was the place of origins of anthropoids, rather than Africa. Similar taxa of eosimiiforms have been discovered in the late middle Eocene of Myanmar and North Africa, reflecting a colonization eve...
Conference Paper
During the Cenozoic, Myanmar has been a key area for mammalian evolution, this region having seen the emergence and diversification of several major groups of eutherian mammals such as anthropoid primates as well as ruminant and hippopotamoid cetartiodactyls. While a very rich mammalian diversity has been described from this region, very few studie...
Article
Full-text available
A well-preserved astragalus of the anomaluroid rodent Pondaungimys anomaluropsis is described from the late middle Eocene Pondaung Formation of central Myanmar. This specimen is the first postcranial element of a rodent from the Pondaung Formation and the oldest postcranial fossil currently known for Anomaluroidea. It illuminates plesiomorphous pos...
Article
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We describe two entelodontid upper premolars that were recovered from the late Eocene of the Krabi coal mine in southern Thailand. The size and morphology of the material suggest that it can be referred to Entelodon aff. E. gobiensis, a species known from the late Eocene to the early Oligocene of northern Asia and southern China. The Thai material...
Article
Paleoecological and paleoclimatic records based on the stable isotopes of mammalian tooth enamel are poorly known in mainland Southeast Asia during the Pleistocene. Khok Sung in Northeastern Thailand is a late Middle Pleistocene terrace deposit, tentatively dated either as 213 ka or 188 ka, yielding 15 described mammalian taxa with especially abund...
Presentation
The area of Magway (Central Basin of Myanmar) has yielded in 2011 a late Miocene fauna comprising the hominoid primate Khoratpithecus, a Pongo relative. Here we present new data collected by the Myanmar-French Paleontological Expedition further documenting the biodiversity of this fauna. This assemblage comprises the equid Hipparion s.l., the probo...
Article
The middle Eocene Pondaung Formation in Myanmar has yielded a rich mammalian fauna including several Primate taxa. Hyaenodonta are known by the genera Kyawdawia, Yarshea, Orienspterodon, and two other indeterminate taxa. We describe here new material of Kyawdawia, including some morphological details, a new species of the hypercarnivorous genus Pro...
Article
Full-text available
We describe an exceptionally well preserved skull of a small anthracothere from the late middle Eocene of the Pondaung Formation that can be confidently attributed to Siamotherium pondaungensis, a species that was first diagnosed on the basis of a fragmentary maxilla preserving two upper molars. The new material confirms that Siamotherium pondaunge...
Article
Full-text available
The fluviatile terrace deposits of Khok Sung, Nakhon Ratchasima province, have yielded more than one thousand fossils, making this the richest Pleistocene vertebrate fauna of Thailand. The excellent preservation of the specimens allows precise characterization of the faunal composition. The mammalian fauna consists of fifteen species in thirteen ge...
Article
Full-text available
A fragmentary maxilla referred to a new diacodexeid artiodactyl, Magwetherium burmense, n. gen. and sp., is described from Sabapondaung locality in the middle Eocene Pondaung Formation in Myanmar. Comparisons with other basal artiodactyls known in the Eocene of Asia, Europe, and North America reveal that this unexpected new taxon displays an unusua...
Article
Full-text available
Determining the diet of fossil apes is essential to understand primate evolution. The giant form from Southeast Asia, Gigantopithecus blacki, may have been up to 270 kg and survived until about 100,000 years ago. It is known only from isolated teeth and a few lower jaws with reduced front teeth and enlarged molars and premolars. A large spectrum of...
Article
Full-text available
Anomaluroid rodents show interesting biogeographic and macroevolutionary patterns, although their fossil record is meager and knowledge of the natural history of extant members of the clade remains inadequate. Living anomaluroids (Anomaluridae) are confined to equatorial parts of western and central Africa, but the oldest known fossil anomaluroid (...
Article
Full-text available
Three new species of anthracotheres (one Anthracokeryx and two Bothriogenys) are described from the Na Duong coal deposits in northeastern Vietnam. These are the first representatives of the genera ever recorded from Vietnam, and they are morphologically close to species known in China, Thailand, Myanmar, and Egypt (Fayum). The material recently de...