The Fossilized Dino (Japanese: カセキのクビナガFossilized Plesiosaur) is a Fossil introduced in Generation VIII. It is the counterpart of the Fossilized Drake.
A Fossilized Dino appeared in PASS39, where Marnie was shown to discovered one for Cara Liss. Combined with the Fossilized Fish that Marnie had also found, Cara Liss was able to restore it into an Arctovish.
The Pokémon revived from the Fossilized Dino have 10 extra points in their Special Attack and Special Defense stats, and 20 fewer points in Speed, compared to their counterparts revived from the Fossilized Drake.