World's smallest dinosaur egg fossil discovered in Japan

A team of researchers said Tuesday it has discovered the world's smallest dinosaur egg fossil, measuring about 4.5 centimeters by 2 cm, in western Japan.The fossil of the egg, estimated to have weighed only about 10 grams more than 100 million years ago, was found in a stratum dating back to the Early Cretaceous period in Tamba, Hyogo Prefecture, according to the team.The researchers at the University of Tsukuba and the Museum of Nature and Human Activities, Hyogo, among others, who have analyzed the fossil, said it likely belonged to a non-avian small theropod.Skeletal remains of small din…READ FULL ARTICLE