Somsak sand pit no. 8, Tha Chang (Miocene of Thailand)

Where: Nakhon Ratchasima, Thailand (15.0° N, 102.2° E: paleocoordinates 14.1° N, 102.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Late/Upper Miocene (11.6 - 5.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: alluvial fan; sandstone

Size class: macrofossils

Collected by Department of Mineral Resources

• DMR-KS, Khok Sung Collection, Department of Mineral Resources, Bangkok, Thailand

Primary reference: J. Claude, W. Naksri, N. Boonchai, E. Buffetaut, J. Duangkrayom, C. Laojumpon, P. Jintasakul, K. Lauprasert, J. Martin, V. Suteethorn, and H. Tong. 2011. Neogene reptiles of northeastern Thailand and their paleogeographical significance. Annales de Paléontologie 97:113-131 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144187: authorized by Philip Mannion, entered by Philip Mannion on 02.05.2013, edited by Patricia Holroyd and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Trionychidae
Trionychinae indet. softshell turtle
Chitra sp. Gray 1844 softshell turtle
 Testudines -
Testudinoidea indet. Gray 1825 turtle
fragmentary plates (kept in the Northeastern Research Institute of Petrified Wood and Mineral resources)
 Testudines - Pantestudinidae
? Megalochelys sp. Falconer and Cautley 1837 turtle
 Crocodylia - Crocodylidae
Crocodylus sp. Laurenti 1768 crocodile
Several jaw fragments, including RIN-5 and RIN 820
 Crocodylia -
Gavialis sp. Oppel 1811 gharial
 Primates - Hominidae
Khoratpithecus sp. Chaimanee et al. 2004 ape
 Perissodactyla - Rhinocerotidae
Aceratherium sp. Kaup 1834 rhinoceros
Chilotherium sp. Ringström 1924 rhinoceros
Brachypotherium sp. Roger 1904 rhinoceros
Alicornops sp. Ginsburg and Guerin 1979 rhinoceros
 Perissodactyla - Equidae
Hipparion sp. de Christol 1832 hipparionine horse
 Proboscidea - Gomphotheriidae
Tetralophodon sp. Falconer 1857 gomphothere
Gomphotherium sp. Burmeister 1837 gomphothere
Sinomastodon sp. Tobien et al. 1986 gomphothere
 Proboscidea - Amebelodontidae
cf. Protanancus sp. Arambourg 1945 proboscidean
 Proboscidea - Elephantidae
Stegodon sp. Falconer 1857 elephant
Elephas sp. Linnaeus 1758 elephant
 Proboscidea - Stegodontidae
 Proboscidea - Deinotheriidae
Prodeinotherium sp. Ehik 1930 deinothere
Deinotherium sp. Kaup 1825 deinothere
 Ungulata - Suidae
Hippopotamodon sp. Lydekker 1877 pig
Propotamochoerus sp. Pilgrim 1925 pig
 Ungulata - Hippopotamidae
Hexaprotodon sp. Falconer and Cautley 1836 pygmy hippo
 Ungulata - Anthracotheriidae
Microbunodon sp. Depéret 1908 anthracothere
 Ungulata - Giraffidae
Bramatherium sp. Falconer 1845 giraffe
 Ungulata - Bovidae
Bovidae indet. Gray 1821 antelope
"several species"