The cephalopod-rich Famennian and Tournaisian of the Aguelmous Syncline (southern Maïder)

Abstract

Highlights
- Lower Famennian black shales with (primary) pyritic cheiloceratids and large tree logs.
- Middle Famennian goniatite shales at Madène el Mrakib.
- Anoxic Lower and Upper Annulata Events.
- Upper Famennian rich Platyclymenia faunas.
- Hypoxic Dasberg Crisis Interval, followed by rich Gonioclymenia faunas.
- Uppermost Famennian Wocklumeria nodules.
- Hangenberg Black Shale of Mrakib with unique preservation of goniatite and clymeniid jaws.
- Global Hangenberg Crisis Interval with regressive, thick clastic wedges.
- Lower Tournaisian goniatite shales with rich Acutimitoceras and Gattendorfia faunas at Tazoult and Bou Tlidat.
- The unique topmost lower Tournaisian Kahlacanites fauna at Bou Tlidat.
- Global Lower Alum Shale Event followed by basal middle Tournaisian Goniocyclus faunas.