Where: Malaysia (2.4° N, 103.1° E: paleocoordinates 26.1° S, 110.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wordian (266.9 - 264.3 Ma)

• Associated with poorly preserved ammonoids, possibly mid-Permian Agathiceras sp.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, silty shale

Size class: macrofossils

Primary reference: N. J. Morris, J. M. Dickins, and K. Astafieva-Urbaitis. 1991. Upper Palaeozoic Anomalodesmatan Bivalvia. Bulletin of the British Museum (Natural History), Geology 47(1):51-100 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113861: authorized by Matthew Clapham, entered by Matthew Clapham on 06.08.2011

Creative Commons license: CC BY (attribution)