New Early Cretaceous dinosaurian eggshell Multifissoolithus shimonosekiensis (Dinosauria, Dongyangoolithidae) from the Lower Cretaceous of Shimonoseki, Yamaguchi, Southwestern Japan

Dinosaur eggshells from Japan provide vital information about the relatively uncommon Early Cretaceous dinosaur eggs in Asia. Here, we describe a new Early Cretaceous dinosaur eggshell, Multifissoolithus shimonosekiensis from Shimonoseki, Yamaguchi, southwestern Japan. The specimen was collected in 1965 from the Aptian-Albian Shimonoseki Subgroup and range in diameter approximately from 1 to 7 cm and in thickness from 3.4 to 4.7 mm. The external...