Linked from
The 20 pages that link to Sunda Shelf, each with the reason it gives.
SumatraRelated: Lower sea levels once connected Sumatra to the Asian mainland across this shelf.
Sunda StraitRelated: Its submerged landscape underlies much of the surrounding shallow seas.
Malay ArchipelagoRelated: It links the western islands geologically to mainland Southeast Asia.
Sunda IslandsRelated: Its submerged land connected western islands during ice ages.