This page highlights the differences between Dora Antaeus and Hatchasaurus & Cardiatron.
||Hatchasaurus & Cardiatron
|Neither the monster nor heart demonstrated speaking capabilities.
||Cardiatron could speak during its first fight, while Hatchasaurus did not. Hatchasaurus later could speak after being revived while the heart did not.
|Was always giant.
||Hatchasaurus appeared normal size on one occasion.
|Appeared in one episode.
||Appeared in two episodes.
|Had no connections to Baron Sakura.
||Was revived by Terror Blossom to battle the Power Rangers.