What are the creations of Poseidon?

Poseidon, the Greek god of the sea, is credited with several creations, the most notable being horses, which he is said to have created to impress the goddess Demeter. He is also associated with the creation of various sea creatures and underwater features, including islands and coastal cities. Additionally, Poseidon is famous for wielding a trident, which he uses to generate storms, earthquakes, and tsunamis, further showcasing his dominion over the ocean and its powers.