Pha Khan Formation, Lampang-Phrae Basin, N Thailand (Triassic of Thailand)

Where: Thailand (18.3° N, 100.0° E: paleocoordinates 6.1° S, 87.5° E)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Pha Khan Formation (Lampang Group), Anisian (247.2 - 242.0 Ma)

• 500 m thick.

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and shale

• Limestone with calcareous mudstone and shale in the lower part.

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 44807: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Ceratitidae
 Spiriferinida - Mentzeliidae
Mentzelia mentzeli Dunker 1851
 Lingulida - Lingulidae
"Lingula cf. tenuissima" = Lingularia tenuissima
"Lingula cf. tenuissima" = Lingularia tenuissima Bronn 1837