Where: Singapore (1.3° N, 103.8° E: paleocoordinates 28.8° S, 117.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian to Artinskian (290.1 - 268.0 Ma)

• "Permian, possibly Artinskian" according to Morris et al., based on redescription of "Goniomya" singaporensis. Could be younger because Undulomya pleiopleura (a synonymous species) ranges from Kungurian-Roadian in Western Australia. 2-foot (circa) bed of silty clay.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, silty mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by John B. Scrivenor

Primary reference: R. B. Newton. 1906. Notice of some fossils from Singapore discovered by John B. Scrivenor, FGS, geologist to the Federated Malay States. Geological Magazine, New Series, Decade V 3:487-496 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 113863: authorized by Matthew Clapham, entered by Matthew Clapham on 06.08.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)