Planet from the Dune series; fourth planet of Eridani A, supreme in machine culture, noted for miniaturization.
A labyrinthus is a complex of intersecting valleys or ridges. On Titan they are named after lanets from the Dune series of science fiction novels by American author Frank Herbert (1920 - 1986).
Image Source. Marker locations are approximate and may not always appear to align with image on map.