Where: Madanin, Tunisia (33.4° N, 10.2° E: paleocoordinates 7.5° S, 17.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Oum el Afia Shale Formation, Wordian (268.0 - 265.0 Ma)

• 20+ metres thick. Oum el Afia shale is lowest stratigraphic unit in the region.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; brown, green shale

Size class: macrofossils

Primary reference: N. D. Newell, J.K. Rigby, A. Driggs, D.W. Boyd, and F.G. Stehli. 1976. Permian reef complex, Tunisia. Brigham Young University Geology Studies 23(1):75-112 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41654: authorized by David Bottjer, entered by Matthew Clapham on 19.07.2004