Age Formation Macro-fauna genera
Turonian Late  
        Wata  Formation  
bivalves gastropods ammonites echinoids
Curostrea, Pholadomya      
Middle Curostrea, Praeradiolites,
Durania, Pholadomya
Turritella, Tylostoma, Coilopoceras Phymosoma, Coenholectypus,
Petalobrissus
Early Phelopteria, Curostrea, Tylostoma, Thomasites, Choffaticeras, Petalobrissus, Hemiaster
Cenomanian Late   Galala   Formation Brachidontes,
Barbatia, Cucullaea,
Nayadina,
Costagyra,
Ceratostreon,
Ilymatogyra,
Rhynchostreon,
Ambigostrea,
Rastellum,
Chondrodonta,
  Cimolithium,
Nerinea,
Neolobites, Micopedina,
Heterodiadema,
Coenholectypus
Middle Barbatia, Nayadina, Ceratostreon,
Ilymatogyra,
Rhynchostreon,
Chondrodonta,
Praeradiolites,
Lucina,
Nerinea, Aptyxiella
, Aporrhais,
Pterodonta, Pterocera, Ampullina,
  Tetragramma,
Coenholectypus
Early Nucula, Inopera, Barbatia,
Pseudoptera,Plagiostoma,
Ceratostreon,Rhynchostreon,Gyrostrea, Chondrodonta,
Eoradiolites,Maghrebella
  Aporrhais, Pterodonta,
Pterocera,
Ampullina
  Tetragramma,
Goniopygus,
Coenholectypus
Hemiaster
Table 1: Upper Cretaceous macro-fauna genera that recorded from Gebel Yelleg.