CH-22. Asrir section: Atdabanian, Morocco

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Redlichiida - Fallotaspididae
Choubertella spinosa Hupé 1953
Obolellata - Obolellida - Obolellidae
Brevipelta chouberti Geyer 1994
see common names

Geography
Country:Morocco
Coordinates: 29.6° North, 9.5° West (view map)
Paleocoordinates:64.5° South, 113.2° East
Basis of coordinate:estimated from map
Time
Period:Cambrian Epoch:Series 2
Stage:Stage 3 10 m.y. bin:Cambrian 2
Key time interval:Atdabanian Trilobite zone: Choubertella
Age range of interval:521.00000 - 515.60000 m.y. ago
Stratigraphy
Formation:Amouslek
Local section:Asrir Local bed:60 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray,green argillaceous "shale"
Lithology description: Grayish green, slightly arenitic shales with intercalated Iimestone bcd (calcaire scoriacé-type or typical archaeocyath-bearing limestones) with rare trilobite-bearing layers:
Environment:marine indet.
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:232771
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2023-12-28 20:36:34 Last modified:2023-12-28 20:36:34
Access level:the public Released:2023-12-28 20:36:34
Creative Commons license:CC BY
Reference information

Primary reference:
82466. G. Geyer. 1996. The Moroccan fallotaspidid trilobites revisited. Beringeria 18:89-199 [J. Marcot/J. Marcot]