Somsak Sand Pit: Late/Upper Miocene, Thailand

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae - Myrtales - Combretaceae
cf. Terminalia sp. Linnaeus 1767
Angiospermae - Malvales - Dipterocarpaceae
Dipterocarpaceae indet. von Blume 1825
"dipterocarps"
cf. Parashorea sp. Kurz 1870
Angiospermae - Arecaceae
cf. Corypha sp. Linnaeus
Actinopteri
Teleostei indet. Müller 1846
Chaimanee et al. 2006
"fish"
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Chaimanee et al. 2006
"crocodile"
Reptilia - Testudines - Testudinidae
cf. Colossochelys atlas Falconer and Cautley 1844
Chaimanee et al. 2006
synonym of Megalochelys sivalensis
Mammalia - Proboscidea - Stegodontidae
Stegolophodon sp. Pohlig 1888
Mammalia - Proboscidea - Elephantidae
Stegodon sp. Falconer 1857
"primitive"
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium sp. Burmeister 1837
Mammalia - Proboscidea - Deinotheriidae
Deinotherium indicum (Falconer 1845)
original and current combination Dinotherium indicum
Mammalia - Perissodactyla - Rhinocerotidae
Brachypotherium perimense
Chilotherium palaeosinense
Alicornops complanatum (Heissig 1972)
Mammalia - Perissodactyla - Equidae
Hipparionini indet. Quinn 1955
    = Hipparion sp. de Christol 1832
Chaimanee et al. 2006
Mammalia - Anthracotheriidae
Microbunodon milaensis Lihoreau et al. 2004
Chaimanee et al. 2006
Merycopotamus medioximus Lihoreau et al. 2004
Chaimanee et al. 2006
Mammalia - Giraffidae
Sivatherium sp. Falconer and Cautley 1836
    = Giraffidae indet. Gray 1821
Chaimanee et al. 2006
Mammalia - Bovidae
Bovidae indet. Gray 1821
Mammalia - Suidae
Hippopotamodon sivalense
Propotamochoerus cf. hysudricus Stehlin 1899
Chaimanee et al. 2006
Mammalia - Primates - Hominidae
Khoratpithecus piriyai n. gen., n. sp. Chaimanee et al. 2004
see common names

Geography
Country:Thailand State/province:Nakorn Ratchasima County:Chalerm Prakieat
Coordinates: 15.0° North, 102.3° East (view map)
Paleocoordinates:14.1° North, 102.2° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Miocene
Age range of interval:11.63000 - 5.33300 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: mammal fossils from at least two beds within an interval of about 3 m; about 9 - 6 Ma based on biochronology, mostly involving comparisons with the Siwaliks (Chaimanee et al. 2006)
Lithology and environment
Primary lithology:"cross stratification",gray sandstone
Secondary lithology: claystone
Lithology description: "grey organic-rich sand and gravel, with some clay lenses intercalated" (Chaimanee et al. 2006)
Environment:fluvial indet.
Geology comments: "Intense cross-bedding indicates fluviatile regime" (Chaimanee et al. 2006)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:salvage,selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: material recovered from a commercial sand pit over five years (Chaimanee et al. 2006)
Metadata
Also known as:Khorat
Database number:67172
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:2006-11-11 20:57:21 Last modified:2007-05-14 21:26:33
Access level:the public Released:2006-11-11 20:57:21
Creative Commons license:CC BY
Reference information

Primary reference:
24291. Y. Chaimanee, V. Suteethorn, P. Jintasakul, C. Vidthayanon, B. Marandat and J.-J. Jaeger. 2004. A new orang-utan relative from the Late Miocene of Thailand. Nature 427:439-441 [J. Alroy/J. Alroy]

Secondary references:

19162 Y. Chaimanee, C. Yamee, P. Tian, K. Khaowiset, B. Marandat, P. Tafforeau, C. Nemoz and J.-J. Jaeger. 2006. Khoratpithecus piriyai, a Late Miocene hominoid of Thailand. American Journal of Physical Anthropology 131:311-323 [J. Alroy/J. Alroy]