Pegasides Pegasides Pegasides () were nymphs of Greek mythology connected with wells and springs, specifically those that the mythical horse Pegasus created by striking the ground with his hooves. According to Greek mythological tradition the winged horse Pegasus was the son of Poseidon, sea and river god of the Greeks, equivalent to the Roman Neptune. The hero Bellerophon needed the untamed Pegasus to help him defeat the monster Chimera. Hence, while Pegasus was drinking at the spring Pirene in Corinth, Bellerophon caught him. Pegasus, startled, struck a rock with his hoof, creating the spring Hippocrene on Mount Helicon. The name Pegasides
Neptune (mythology) that Neptune was offered the sacrifice of a bull would point to an agricultural fertility context. In Rome Neptune had only one temple. It stood near the Circus Flaminius, the Roman racetrack, in the southern part of the Campus Martius. It already existed in 206 BC. It appears on a coin struck by Gn. Domitius Ahenobarbus around 40 BC doubtless because of a restoration carried out by this personage. It contained a famous sculpture of a marine group by Scopas Minor. The Basilica Neptuni, was built on the Campus Martius and dedicated by Agrippa in honour of the naval victory