Tetrapods are the first land generator and the ninth generator overall. Tetrapods include any vertebrates that are not considered fish, belonging in the superclass Tetrapoda. Tetrapods include amphibians, reptiles, birds, and mammals.
Previously, the generator Tetrapod was named Reptile. However, this changed to Tetrapod in a later update.
The original colonizers, tetrapods were the first water dwellers to develop legs and amphibious breathing and to crawl to dry land.
In the description and generator profile, the tetrapod resembles a brown semiaquatic creature, the creature is specifically is unknown, but it most likely resembles a stem tetrapod that is now extinct.
In the garden, the tetrapod still has its original design, which resembles a green lizard with an opened mouth.
- According to the game, tetrapods were the first water dwellers to crawl to dry land. However, in real life, bacteria, plants, fungus, and arthropods all were on land prior any vertebrates.