Upper Phra That Formation, Lampang-Phrae Basin, N Thailand (Triassic of Thailand)

Where: Thailand (18.3° N, 100.0° E: paleocoordinates 10.6° S, 88.2° E)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Phra That Formation (Lampang Group), Olenekian (251.2 - 247.2 Ma)

• 650 m thick total.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• Tuffaceous siltstone, quartzitic sandstone, arkosic sandstone, shale, mudstone with interbeds or lenses of limestone.

Size class: macrofossils

Primary reference: V. Khuc. 2000. The Triassic of Indochina Peninsula and its interregional correlation. Permian-Triassic Evolution of Tethys and Western Circum-Pacific 221-233 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 44806: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Elegentinia elegans
Bivalvia
 Trigoniida - Myophoriidae
Costatoria goldfussi
Costatoria goldfussi Alberti 1830 clam
ssp. mansuyi
 Ostreida - Bakevelliidae
Bakevellia cf. exporrecta
Bakevellia cf. exporrecta Lepsius 1878 oyster