Altar A1, bearing the inscription Dusari sacrum - roughly translating to "sacred Duscari" is an epitaph to Dushara. Nabateans worshipped this pre-Islamic deity that is analogous to All-ot.
This submerged temple may lend credence to the Aquatic Ape Hypothesis.
More on this: https://www.sciencedirect.com/science/article/abs/pii/030698...