CH-22. Asrir section (Cambrian of Morocco)
Where: Morocco (29.6° N, 9.5° W: paleocoordinates 64.5° S, 113.2° E)
• coordinate estimated from map
When: Choubertella trilobite zone, Amouslek Formation, Atdabanian (521.0 - 516.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; gray, green, argillaceous shale
• Grayish green, slightly arenitic shales with intercalated Iimestone bcd (calcaire scoriacĂ©-type or typical archaeocyath-bearing limestones) with rare trilobite-bearing layers:
Size class: macrofossils
Preservation: cast
Primary reference: G. Geyer. 1996. The Moroccan fallotaspidid trilobites revisited. Beringeria 18:89-199 [J. Marcot/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 232771: authorized by Pete Wagner, entered by Pete Wagner on 28.12.2023
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Trilobita | |
Choubertella spinosa Hupé 1953 trilobite | |
Obolellata | |
Brevipelta chouberti Geyer 1994 |