A species of huntsman spider indigenous to the sand dunes.
Cebrennus cf. castaneitarsis. A sand doweling spider , a large sparassid with an eye pattern consistent with Cebrennus found during y'stay night trail.This is thought to be the spider responsible for most of the sand-doweling burrows observed in desert areas.
Very difficult to ID them but expert opinion are more than welcome.
Great images!
Wow Nice Pics and details