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This article contains plot details about the story of a game.
When the BB Brigade Trio attempt to sabotage the Spinal Pillar, the hero(ine) is sent to retrieve the fossil of an extinct fish, "sardinisaurus," because it is the only thing that contains enough calcium to restrengthen the Pillar and save the Caliosteo Islands, and with them, the Cup. The player finds the fossil above the cavern, and brings it back to "Joe." Post-game, Duna's Due could be started by talking to and battling Duna above the Cavern, although this is sadly no longer an option since wireless communications were cut for the Nintendo DS and Wii.
Vivosaurs found at this Dig Site
An asterisk (*) indicates a Vivosaur that is rare.