Locality I18, Saikra Biohermal Complex, Denguir, 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: Saikra Biohermal Complex Formation, Capitanian (265.1 - 259.9 Ma)

• Saikra Biohermal Complex is uppermost unit, Capitanian in age. 50 metres thick, poorly defined thick beds, major ridge former.

• group of beds-level stratigraphic resolution

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

• Limestone, light olive gray, recrystallized, vuggy in places.

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 41965: authorized by David Bottjer, entered by Matthew Clapham on 22.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Crinoids only.
Crinoidea
 Dendrocrinida - Erisocrinidae
? Erisocrinidae indet. Miller 1889 Sea lily
Advanced inadunate similar to Strachyocrinus or Parastachyocrinus