Locality G19, Saikra Biohermal Complex, Saikra, Djebel Tebaga (Permian of Tunisia)

Also known as Reef 200

Where: Madanin, Tunisia (33.5° N, 10.3° E: paleocoordinates 6.6° S, 18.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Saikra Biohermal Complex Formation, Capitanian (264.3 - 259.5 Ma)

• Saikra Biohermal Complex is uppermost unit, Capitanian in age. 12.5 metres thick, grades laterally into unit 20.

• group of beds-level stratigraphic resolution

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

• Bioherm, fabric indeterminate.

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 41886: authorized by David Bottjer, entered by Matthew Clapham on 21.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Sponges and bivalves.
Demospongiae
 Agelasida - Virgolidae
Intratubospongia osiensis1 de Gregorio 1930 demosponge
 Verticillitida - Colospongiidae
Tristratocoelia rhythmica2 Senowbari-Daryan and Rigby 1988 demosponge