Theoi Summary - Poseidon

Ποσειδων (poh-see-thOHN) - Poseidon
God-king of the sea, earthquakes, floods, drought, and horses
Ouranic, Chthonic and Einalic Olympian

Symbols: Trident, seashell, boulder, wreath of celery
Animals: Bull, horse, dolphin, hippocamp, marine life
Colors: Blue, green, black
Plants/Herbs: Pine, celery
Stones/Crystals: Pearl, sea glass

Retinue: Triton, Nereids, Okeanids, Naiads, Potomai, all ocean deities and spirits
Relations: Kronos (father), Rhea (mother), Amphirite (wife), Halia (consort), Medousa (consort), Zeus (brother), Hestia (sister), Haides (brother), Demeter (sister), Hera (sister), Triton (son), Rhode (daughter), Pegasos (son), Athena (sometimes daughter), Areion (son), Polyphemos (son), Khrysomallos (son), Orion (sometimes son), Despoine (daughter), Kymopoleia (daughter), Proseous Daemones (sons)
Identified with: Neptune (Roman)

Festivals: Poseidea (8 Pos.), Haloa (26 Pos.), Aeginetarum Feriae (~winter solstice), honored on the 8th of every month

Epithets: Basileus (King), Pelagaeus (Of the Sea), Prosclystius (Who Dashes Against), Asphalius (Secures Safe Voyage), Epoptes (Overseer), Ennosigaeus (Shaker of the Earth), Hippius (Of the Horses), Hippocurius (Horse Tender), Phytalmius (Plant Nurturer), Patrus (Father), Laoites (Of the People), Gaeochus (Holder of the Earth)

dragoncastings:

Poseidon is one of the Twelve Olympians, and a deity of primordial Greece. He is the god of the deep seas, storms, hurricanes, earthquakes, and horses. He was revered with the title of “Earth Shaker.” Poseidon is the guardian and protector of marine life, seafarers, and the health of the world’s oceans.

Correspondences:

Abode: Mount Olympus or the Sea.
Animals: Fish, Dolphins, Horses, & Bulls.
Consort: Amphitrite, Aphrodite, Demeter, etc.
Element: Water.
Planet: Neptune.
Symbols: His Trident.