22 named features carry the IAU descriptor Linea — a long, dark or bright marking on Venus, out of 71 in the mapped Solar System.
The IAU assigns each feature class on each world a naming theme. Across the 22 lineae with a recorded origin, 16 categories appear, led by Celtic.
Every one has its own page, on the surface it sits on.
The same descriptor is used on 1 other world, for 49 more features.