Phu Wiang 9A (Cretaceous of Thailand)

Also known as P.W.9A

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• originally considered Late Jurassic

•Non-marine bivalves suggest the Sao Khua Formation is late Barremian in age (Tumpeesawan et al. 2010; Samathi et al. 2019)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lenticular, brown, green, red claystone and concretionary, calcareous siltstone

• "Red brown claystone with green lenses in the upper part and siltstone with limestone nodules"

Size class: macrofossils

Collected in 1993

Collection methods: quarrying, mechanical,

Primary reference: V. Martin, V. Suteethorn, and E. Buffetaut. 1999. Description of the type and referred material of Phuwiangosaurus sirindhornae Martin, Buffetaut and Suteethorn, 1994, a sauropod from the Lower Cretaceous of Thailand. Oryctos 2:39-91 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36146: authorized by Matthew Carrano, entered by Matthew Carrano on 14.01.2004, edited by Emma Dunne

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Theropoda indet. theropod
teeth
Phuwiangvenator yaemniyomi Samathi et al. 2019 coelurosaur
Referred material.—SM-PW9A, an atlantal intercentrum and right astragalocalcaneum which were found together and approximately 300 m away from the holotype (Phu Wiang Site 9B).
 Saurischia - Euhelopodidae
Phuwiangosaurus sirindhornae Martin et al. 1994 euhelopodid