Lalla Fatna Section, Safi Basin, Bed I-1 (Cretaceous of Morocco)

Where: Morocco (32.4° N, 9.3° W: paleocoordinates 27.1° N, 3.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tirnovella pertransiens ammonoid zone, Calcaire Inferieur Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)

• middle part of the Calcaire Inferieur Fm., Pertransiens Zone

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, shelly/skeletal, argillaceous, sandy limestone

• lower shoreface and offshore sediments
• Calcaire Inferieur Fm., 5 to 20m thick, consists of marly-sandy and finely bioclastic limestones in the northern outcrops.

Size class: macrofossils

Collection methods: focus on ammonites

Primary reference: M. Ettachfini, M. Company, J. Rey, K. Taj-Eddine, and J. M. Tavera. 1998. Le Valanginien du bassin de Safi (Maroc atlantique) et sa faune d’ammonites. Implications paleobiogeographiques. Comptes Rendus de l’Academie des Sciences de Paris, Serie IIa 327:319-325 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 65425: authorized by Martin Aberhan, entered by Sabine Nürnberg on 22.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Neocomitidae
Kilianella sp. Uhlig 1905 ammonite
Thurmanniceras pertransiens Sayn 1907 ammonite
Neocomites premolicus Sayn 1907 ammonite
 Ammonitida - Olcostephanidae
"Spiticeras (Kilianiceras) cf. gratianopolitense" = Kilianiceras, Olcostephanus drumensis
"Spiticeras (Kilianiceras) cf. gratianopolitense" = Kilianiceras ammonite