Ouled Mimoun, Bed 1, Tlemcen Mountains, NW Algeria (Cretaceous of Algeria)

Where: Algeria (34.9° N, 1.0° W: paleocoordinates 26.3° N, 4.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Argiles de Lamoriciere Formation, Middle Berriasian (145.0 - 140.2 Ma)

• 1 m thick

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified packstone and lithified grainstone

• bioclastic packstones and grainstones between claystones and marls

Size classes: macrofossils, microfossils

Primary reference: M. Benest, D. Gaspard, and M. Ghali. 1996. Les brachiopodes de l'avant-pays ouest-algerien lors de la phase transgressive maximale du Berriasien superieur; systematique, environnement, paleogeographie [The brachiopods of the Western-Algerian foreland during the maximum transgressive interval of Upper Berriasian age; systematics, environment and palaeogeography]. GĂ©obios 29(1):13-34 [W. Kiessling/U. Merkel/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 64315: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• bivalves, gastropods, echinoids and bryozoans reported to be present
Demospongiae
 Axinellida - Cladocoropsidae
Cladocoropsis cf. mirabilis Felix 1907 demosponge
Chlorophyceae
 Dasycladales -
Acicularia sp. d'Archiac 1843
Foraminifera
 Involutinina - Trocholinidae
Trocholina sp. Paalzow 1922
Trocholina gr. alpina-elongata
 Lituolida - Lituolidae