Aghachan el Akhdhar (Cambrian of Mauritania)

Where: Mauritania (25.4° N, 12.0° W: paleocoordinates 66.0° S, 113.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Early/Lower Cambrian (538.8 - 509.0 Ma)

• Argiles à Acrothele, 6 m thick.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, micaceous shale

• Micaceous shale

Size class: macrofossils

Collected by J. Sougy in 1955

Primary reference: C. Poulsen. 1960. Notes on some Lower Cambrian fossils from French West Africa. Matematisk-Fysiske Meddelelser udgivet af Det Kongelige Danske Videnskabernes Selskab 32(7):1-12 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 209265: authorized by Matthew Clapham, entered by Matthew Clapham on 27.04.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Lingulata
 Lingulida - Botsfordiidae
Neobolus cf. warthi
Neobolus cf. warthi Waagen 1885
 Lingulida - Acrothelidae
Acrothele spinulosa n. sp., Acrothele sougyi n. sp.
Acrothele spinulosa n. sp. Poulsen 1960
Acrothele sougyi n. sp. Poulsen 1960
 Lingulida - Obolidae
Lingulella cf. fuchsi
Lingulella cf. fuchsi Redlich 1899
Trilobita
 Redlichiida - Redlichiidae
? Redlichia sp.
? Redlichia sp. Cossmann 1902 trilobite