The Taqah terrestrial vertebrate locality, in the extreme southwest of the Sultanate of Oman at the southern margin of the Arabian Peninsula, is contained within a transgressive marine sequence (Shizar Member) that forms the basal unit of the Oligocene Aswaq Formation. Unlike the Eocene deposits, which are very monotonous and very widespread throughout the Arabian Peninsula, the Oligocene deposits are varied and much more limited in area; in Dhofar they are restricted to elongate east-west grabens that formed during the first stages in the opening of the Gulf of Aden. The Taqah locality lies within one of the grabens where the geology is complicated by large curved faults.

The Taqah terrestrial vertebrate locality, in the extreme southwest of the Sultanate of Oman at the southern margin of the Arabian Peninsula, is contained within a transgressive marine sequence (Shizar Member) that forms the basal unit of the Oligocene Aswaq Formation. Unlike the Eocene deposits, ...