Question: Which species appears in areas more westernly, Cleistocactus or Rhynchostylis?
Sentence (from "Open Bay Islands skink"): Until recently known only from the Open Bay Islands (both Taumaka and Popotai Islands), the species has subsequently been discovered on two apparently predator-free vegetated rock stacks located off the coast of Barn Bay, 52 km southwest of the Open Bay Islands.
Relevant evidence: No