General description:
The specimens from Bukit Nambi slightly differ from the type specimen by its spineless ribs which confused with another close congener, P. wallacei wallacei. But the other characteristics agreed with the original description.
Management:
The area protected as the archeological site and most part of the hill (except the Sireh Caves) restricted for any visit activity by the local peoples.
Ecology:
The specimens can be found from the lower part of the hill until at the enterance of the Sireh Caves, upper part of the hill.
Habitat:
On the limestone surface covered with mosses.
Taxonomic name: