👉 Pelecanidae is a family of extinct birds that lived during the Late Carboniferous period. It includes several genera, including the pelycosaids and the citharinae. The family was named after its common name, which translates to "pebble" in English. The pelycosaids are known for their large beak-like teeth and long beak that they used to hunt small animals like birds and reptiles. They were found primarily on the African continent,