Where: Karasburg, Namibia (28.2° S, 18.3° E: paleocoordinates 58.8° S, 45.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dwyka Formation, Sakmarian (293.5 - 290.1 Ma)

• Upper Dwyka beds

Environment/lithology: marine; lithified shale

Size class: macrofossils

Primary reference: F. R. C. Reed. 1936. A new lamellibranch from the upper Dwyka beds of South-West Africa. Transactions of the Royal Society of South Africa 23:161-163 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41327: authorized by David Bottjer, entered by Matthew Clapham on 12.07.2004

Creative Commons license: CC BY (attribution)