For 10 points, the baiji is an extinct example of what kind of animal that lived in the Yellow River?
Some scholars argue that coins from Tarentum showing a man riding these animals depict the story of the Spartan Phalanthus. A daimon who took this animal form was turned into a constellation as a reward for locating Amphitrite. The Corinthian tyrant Periander supposedly had one of these animals buried. By playing a kithara, a mythical man was able to attract several of these animals to escort him to Taenarum ["tie"-NAH-rum]; that inventor of the dithyramb was (*) Arion. Melicertes, who was transformed into Palaemon, was taken by one of these animals to shore. After turning oars into snakes and terrifying a number of pirates, Dionysus turned them into these animals. For 10 points, the baiji is an extinct example of what kind of animal that lived in the Yellow River?
Some scholars argue that coins from Tarentum showing a man riding these animals depict the story of the Spartan Phalanthus.
dolphins [accept Delphinus; accept Yellow River dolphin]