1 named feature carries the IAU descriptor Macula — a dark spot on Mars, out of 13 in the mapped Solar System.
The IAU assigns each feature class on each world a naming theme. Across the 1 maculae with a recorded origin, one category covers them all, led by Greek.
Every one has its own page, on the surface it sits on.
The same descriptor is used on 2 other worlds, for 12 more features.