Djebel Mech Irdane. Banc 123: Early Givetian, Morocco

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Proetida - Proetidae
Orbitoproetus (Helmutia) rissanensis Feist and Orth 2000
Trilobita - Phacopida - Phacopidae
Chotecops cf. zizensis Alberti 1983
see common names

Geography
Country:Morocco
Coordinates: 31.3° North, 4.3° West (view map)
Paleocoordinates:45.4° South, 17.4° East
Time
Period: Devonian Epoch: Middle Devonian
Stage: Givetian 10 m.y. bin: Devonian 3
Key time interval: Early Givetian Conodont zone:  Polygnathus hemiansatus
Age range of interval: 387.7 - 385.9 m.y. ago
Stratigraphy
Formation:Bou Tchrafine
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:shelly/skeletal calcareous "limestone"
Lithology description: calcaire marneux à styliolines (marly limestone with styliolines).
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Metadata
Database number:234948
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2024-05-23 22:57:52 Last modified:2024-05-23 22:57:52
Access level:the public Released:2024-05-23 22:57:52
Creative Commons license:CC BY
Reference information

Primary reference:

71742. R. Feist and B. Orth. 2000. Trilobites de la limite Eifélien/Givétien de la région stratotypique (Tafilalet, Maider, Maroc). Proceedings of the Subcommission on Devonian Stratigraphy (SDS)–IGCP 421 Morocco Meeting 20:78-91 [P. Wagner/P. Wagner/P. Wagner]