Djebel Zaghouan, Mines of Djebel Staa, cut trail, bed 29: Concavum, Tunisia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Lytoceratidae
Nannolytoceras aff. sturanii
Cephalopoda - Ammonitida - Graphoceratidae
Leioceras (Grypholeioceras) aff. opaliniforme
Platygraphoceras compactum
synonym of Graphoceras
see common names

Geography
Country:Tunisia
Coordinates: 36.3° North, 10.1° East (view map)
Paleocoordinates:25.1° North, 13.4° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Aalenian 10 m.y. bin:Jurassic 3
Key time interval:Concavum
Age range of interval:174.70000 - 170.90000 m.y. ago
Stratigraphy
Formation:Kef el Orma
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:nodular,shelly/skeletal,gray lithified "limestone"
Environment:deep subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Service de la Carte Géologiue de Tunisie
Metadata
Database number:170605
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2015-06-23 22:47:43 Last modified:2015-06-23 22:47:43
Access level:the public Released:2015-06-23 22:47:43
Creative Commons license:CC BY
Reference information

Primary reference:

55572. 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]