Also known as P.W.4

Where: Khon Kaen, Thailand (16.7° N, 102.3° E: paleocoordinates 14.3° N, 110.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Sao Khua Formation (Khorat Group), Late/Upper Barremian (130.0 - 125.5 Ma)

• formerly considered Upper Jurassic

•

•Stratigraphy comments: Sao Khua Fm. was originally believed to be Early Cretaceous in age based on the vertebrate fossils by Buffetaut and Suteethorn (1999). More recently, the age has been constrained to the late Barremian based on non-marine bivalves by Tumpeesawan et al. (2010).

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; poorly lithified, brown, red siltstone

Size class: macrofossils

Collected in 1990

Collection methods: quarrying, mechanical,

• Found by "schoolboys."

Primary reference: V. Martin, E. Buffetaut, and V. Suteethorn. 1993. Jurassic sauropod dinosaurs of Thailand: a preliminary report. International Symposium on Biostratigraphy of Mainland Southeast Asia: Facies & Paleontology, 31 January–5 February 1993, Chang Mai, Thailand 415-425 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36080: authorized by Matthew Carrano, entered by Matthew Carrano on 13.01.2004

Creative Commons license: CC BY (attribution)