One of these creatures that attacked Thespiae was killed by Menestratus. One of these creatures killed the son of Hipsipyle while she was helping the Seven Against Thebes find water, and was killed by Adrastus. Triptolemus' chariot was pulled by these creatures. Another one of these creatures, located next to an object nailed to an oak, was lulled to sleep by Medea. Another one of these creatures 
One of these creatures that attacked Thespiae was killed by Menestratus. One of these creatures killed the son of Hipsipyle while she was helping the Seven Against Thebes find water, and was killed by Adrastus. Triptolemus' chariot was pulled by these creatures. Another one of these creatures, located next to an object nailed to an oak, was lulled to sleep by Medea. Another one of these creatures guarded the Golden Apples of the Hesperides and was named Ladon. The remains of another one of these, which lived near the Castilian spring, was used by its killer to create the Sparti; that example of these creatures was killed by Cadmus, who  sowed its teeth. For 10 points, name these lizard-like monsters which may or may not breathe fire.
One of these creatures that attacked Thespiae was killed by Menestratus.
{Dragons} [or {sea serpents}]