Ksar Ezzahra (Jurassic of Tunisia)

Where: Tataouine, Tunisia (32.9° N, 10.5° E: paleocoordinates 21.2° N, 11.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Techout Formation, Bathonian (168.3 - 166.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; fine-grained, yellow, calcareous sandstone

• Proximal, shallow marine setting
• Fine-grained, slightly calcaerous yellow sandstone

Size classes: macrofossils, mesofossils

Primary reference: E. Fara, M. Ouaja, E. Buffetaut and D. Srarfi. 2002. First occurrences of thalattosuchian crocodiles in the Middle and Upper Jurassic of Tunisia. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 2002(8):465-476 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141913: authorized by Philip Mannion, entered by Philip Mannion on 02.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1837 elasmobranch
Actinopteri
 Lepisosteiformes -
Lepidotes sp. Agassiz 1843 gar
Fish scales
Reptilia
 Loricata -
Crocodylomorpha indet. crocodilian
Indeterminate crocodilian teeth, differing from Steneosaurus
 Loricata - Teleosauridae
Steneosaurus sp. Saint-Hilaire 1825 marine crocodile
KE-222-1 (left premaxilla)