CH-23. 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 scoriacé-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 232773: authorized by Pete Wagner, entered by Pete Wagner on 28.12.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Redlichiida - Fallotaspididae
Fallotaspis cf. bondoni Neltner and Poctey 1950 trilobite
Fallotaspis plana Hupé 1953 trilobite
Choubertella spinosa Hupé 1953 trilobite
 Redlichiida - Bigotinidae
? Bigotina sp. Cobbold 1935 trilobite
Obolellata
 Obolellida - Obolellidae