Where: Toliara, Madagascar (23.2° S, 45.2° E: paleocoordinates 54.1° S, 24.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Beaufort Group, Capitanian (264.3 - 259.5 Ma)

• Karoo Supergroup "Sakamena Beds"; Cistecephalus zone, upper zone of Lower Beaufort, corresponding to late Capitanian.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; sandy shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: L. R. Cox. 1936. Karroo Lamellibranchia from Tanganyika Territory and Madagascar. Quarterly Journal of the Geological Society of London 92(365):32-56 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41495: authorized by David Bottjer, entered by Matthew Clapham on 15.07.2004

Creative Commons license: CC BY (attribution)