Jebel Oust North, bed 2 (Jurassic to of Tunisia)

Where: Tunisia (36.5° N, 10.1° E: paleocoordinates 24.8° N, 11.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Oust Formation, Jamesoni to Jamesoni (189.6 - 183.0 Ma)

• Irregular bed forming pockets of crinoidal biosparite.

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, shelly/skeletal grainstone

Size class: macrofossils

Collection methods: Repository: Service de la Carte Géologiue de Tunisie

Primary reference: M. Rakús and J. Guex. 2002. Les ammonites du jurassique inférieur et moyen de la dorsal tunisienne. Mémoires de Géologie (Lausanne) 39:1-149 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 170511: authorized by Matthew Clapham, entered by Matthew Clapham on 22.06.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Phylloceratida - Juraphyllitidae
Juraphyllites sp. Müller 1939 ammonite
 Ammonitida - Lytoceratidae
Castanyiceras parvulum Rakús and Guex 2002 ammonite
Galaticeras aegoceroides Gemmellaro 1884 ammonite
"Castanyiceras canavarii" = Galaticeras canavarii Fucini 1899 ammonite
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Cuneirhynchia dalmasi Dumortier 1869
 Rhynchonellida - Norellidae
 Spiriferinida - Spiriferinidae
 Terebratulida - Nucleatidae
 Terebratulida - Zeilleriidae
Cincta numismalis Lamarck 1819
Zeilleria subnumismalis Davidson 1851