👉 Geryonidae is a family of extinct birds that lived during the Early Cretaceous period. These birds were part of the Late Jurassic and Early Cretaceous genera, including the genus Gerynoptera. The family name "Geryonidae" comes from the Greek words "geryon" (meaning "winged") and "dida", which means "bird". The term was coined by the paleontologist Charles Darwin in his book "On the Origin