Pegasid may represent: Pegasids - a meteor shower in July seemingly coming out of the Pegasus constellation Hot Jupiters - a class of exoplanets like the one around Pegasi 51 (51 Pegasi b) Pegasidae - a scientific family of fishes Pegasides - nymphs from Greek mythology Pegasi - mythical winged horses primarily from Greek mythology "Of Pegasus" - something originating from the mythical winged horse Pegasid Muses - English translation of the origin of Muses