Locality B23, Kef en Nsouri, Djebel Tebaga (Permian of Tunisia)

Also known as Reef 200

Where: Madanin, Tunisia (33.4° N, 10.2° E: paleocoordinates 6.6° S, 18.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Biohermal Complex Formation, Capitanian (265.1 - 259.9 Ma)

• Presence of Yabeina and Lepidolina in upper Djebel Tebaga Biohermal Complex suggests Capitanian age. 6 metres thick.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• Bioherm (Driggs #2); passes abruptly into gray, even-bedded limestone.

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 41660: authorized by David Bottjer, entered by Matthew Clapham on 19.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Includes sponges and bivalves; other groups are undescribed.
Bivalvia
 Trigoniida - Trigoniidae
Lyroschizodus djemelensis n. sp.1 Boyd and Newell 1979 clam
Demospongea
 Agelasida - Preperonidellidae
Permocorynella fruticosa2 Rigby and Senowbari-Daryan 1996 demosponge