Description of the Serpukhovian rugose and tabulate corals from Idmarrach and Tirhela Formations (Adarouch, Morocco)

  1. Sergio Rodríguez
  2. Ismail Said
  3. Iann D. Somerville
  4. Pedro Cózar
  5. Ismael Coronado
Journal:
Boletín de la Real Sociedad Española de Historia Natural. Sección geológica

ISSN: 0583-7510

Year of publication: 2015

Tome: 109

Issue: 1-4

Pages: 71-101

Type: Article

More publications in: Boletín de la Real Sociedad Española de Historia Natural. Sección geológica

Abstract

The Serpukhovian coral assemblages from the Idmarrach and Tirhela formations in Central Morocco are described. 32 rugose species belonging to 19 genera and 1 tabulate species have been identified. The Serpukhovian assemblages are composed mostly of species that have their greater abundance in the upper Viséan. However, most recorded taxa in Adarouch have been already mentioned in Serpukhovian rocks from other regions in the Palaeotethys and in North African epicontinental basins. The coral assemblage is dominated by colonial corals belonging to the family Lithostrotionidae and solitary corals belonging to the family Aulophyllidae. In addition, representatives of the families Axophyllidae, Cyathaxoniidae, Cyathopsidae, Palaeosmiliidae, Stereophrentidae and Zaphrentoididae are also present in the assemblages. The environment where the corals lived was mostly an inner to middle carbonate platform with a minor but significant input of terrigenous sediments.