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- AA Craters
- AB Underwater features
- AF Atmospheric features
- AL Albedo Features
- AN Administrative areas
- AP Airports
- AR Archipelagoes
- AT Atolls and Reefs
- AV Active volcanoes
- BA Basins
- CA Chain of craters
- CB Hollows
- CH Broken terrain
- CM Chasms
- CN Countries
- CO Hills
- CP Capes & headlands
- CR Corona
- CS Coastal sea feature
- CT Countries
- CY Canyons
- DE Deserts
- DN Dependencies
- DO Ridges
- DP Deeps and troughs
- DS Deserts
- EQ Earthquakes
- ER Active volcanoes
- ES Escarpments
- FA Bright spots
- FE Curved ridges
- FL Flow terrain
- FO Narrow depressions
- FR Pancake-like structures
- GF Gulfs
- HR Highlands
- IC Impact craters
- IG Island groups
- IL Towns & cities
- IS Islands
- LA Landslides
- LB Intersecting valleys
- LC Small plains
- LE Small dark spots on Europa
- LF Lunar features at or near Apollo landing sites
- LG Ringed features
- LI Elongated markings
- LK Lakes
- LS Landing sites
- MA Dark spots
- ME 'Seas'
- MN Cliffs
- MO Mountains
- MR Mountain ranges
- OA Oases
- OC Oceans
- PA Small plains
- PE Irregular craters
- PF Geographical features
- PL Plains
- PM High plains
- PN Plains
- PO Poles
- PR Promontories
- PT Plateaux
- PU Plumes
- PX Peninsulars
- RE Regions
- RI Fissures
- RT Net-like pattern on Venus
- RU Scarps
- RV Rivers
- SC Irregular scarps
- SE Seas
- SET Regions
- SI Small plains
- SM Seamounts
- ST Straits
- SU Furrows
- TA Land masses
- TC Tectonic plates
- TE Tiled terrain
- TH Small mountains
- UF Undersea features
- UN Dunes
- VA Valleys
- VO Volcanoes
- VS Large plains
- XX No labelled features