What is "phalanthus"

In Greek mythology, Phalanthus (Φάλανθος) is the name of three men.

1. Phalanthus of Tanagra, one of the defenders of Thebes against the Seven Against Thebes. He was killed by Hippomedon.

2. Phalanthus of Tarentum, the Spartan founder of Tarentum. Married to Aethra.

3. Phalanthus, son of Agelaus (son of Stymphalus, son of Elatus, son of Arcas). A city in Arcadia was named after him.