Where: Madanin, Tunisia (33.4° N, 10.2° E: paleocoordinates 7.5° S, 18.0° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Oum el Afia Shale Formation, Wordian (266.9 - 264.3 Ma)
• Oum el Afia Shale (?) is lowest Permian unit in the region, containing Neoschwagerinids and occurring below Yabeina, suggesting a Wordian age. 26 metres thick.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; gray, 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 41971: authorized by David Bottjer, entered by Matthew Clapham on 22.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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Demospongiae | |
"Amblysiphonella merlai" = Laccosiphonella merlai3
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