Where: Thailand (7.4° N, 99.3° E: paleocoordinates 33.2° S, 122.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Formation (Phuket Group), Asselian (298.9 - 295.5 Ma)

• An interval of rock some 65 m thick lies between the fossil bands and Kungurian Rat Buri Limestone, potentially including beds equivalent to Sakmarian upper Ko Yao Noi Formation - suggests late Asselian age; Equivalent to Kaeng Krachan Group

• bed-level stratigraphic resolution

Environment/lithology: marine; pebbly siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. B. Waterhouse. 1982. An Early Permian cool-water fauna from pebbly mudstones in south Thailand. Geological Magazine 119(4):337-354 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40148: authorized by David Bottjer, entered by Matthew Clapham on 18.06.2004

Creative Commons license: CC BY (attribution)