Studied beds Nerinea bed Corals bed Acteonella bed Nerinea bed Properties 1- Age Upper Aptian Upper Aptian Middle Albian Middle Albian 2- Bed no. 17 18 37 40 3- Thickness 0.5-1.5 m 50 cm 1 m 75 cm   4- Lithology Yellowish brown, hard limestone Yellowish brown, sandy limestone Yellowish brown, dolomitic sandy limestone White, hard dolomitic limestone 5- Assemblage Polytaxic Polytaxic Monotaxic Monotaxic 6- State of preservation Well Well Moderate Well 7- Orientation pattern Random Random Random unimodel 8- Fragmentation Moderate Relatively high Low Low 9- Packing Dense Loose Dense Dense 10- Sorting Poor-moderate Poor Moderate Good 11- Geometry Lens Bed Bed Bed

Table 1: The main field and taphonomic properties of the study beds.