English Confuciusornithidae Cited by user Jarble on 18 Mar 2020 Confuciusornithidae is an extinct family of early birds known from the Early Cretaceous, found in northern China.
English Dinosaur Cited by user Falconfly on 14 Apr 2018 Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 231 million years ago, although the…