According to mi:te.jp, Miyanishi Tatsuya's picture book "Omae Umasoudana (You Are Umasou)" was announced to get an anime movie adaptation. It will be premiered this October.
Omae Umasodana key illustrations
Mother: Harada Tomoyo (Tao in Genma Taisen
Umasou: Kato Seishiro (official blog
Heart: Yamaguchi Kappei
Baku: Bessho Tetsuya (Sakazaki Ryo
A Tyrannosaurus "Heart" was raised by a herbivorous dinosaur. As he grew up, he was scared by other dinosaurs. One day, Heart meets a baby Ankylosaurus and he names the baby "Umasou (looks delicious)". Umasou started to be attached to Heart and a strange family love develops between the two.