List of Geological Features On Iapetus - Terrae

There are two named Iapetian terrae /ˈtɛriː/ (large 'land' masses).

Terra Coordinate Diameter (km) Named after Pronounced
Roncevaux Terra 37°00′N 239°30′W / 37.0°N 239.5°W / 37.0; -239.5 1284.0 Battle of Roncevaux Pass /rɒnsᵊˈvoʊ/
Saragossa Terra 45°00′S 180°00′W / 45.0°S 180.0°W / -45.0; -180.0 2300.0 Saragossa, Spain /særəˈɡɒsə/

The adjectival form of Roncevaux is Roncesvallian.

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