List of Geological Features On Iapetus - Regiones

Regiones

There is one named Iapetian regio /ˈriːdʒi.oʊ/ (area of distinct albedo difference), Cassini:

Regio Coordinate Named after Pronounced
Cassini Regio 28°06′S 92°36′W / 28.1°S 92.6°W / -28.1; -92.6 (Cassini Regio) Giovanni Cassini, discoverer of Iapetus /kəˈsiːni/

The adjectival form is Cassinian /kəˈsɪniən/.

Read more about this topic:  List Of Geological Features On Iapetus