possibly specialising in smaller

Estos animales son parte de la familia Protocetidae

Snout-tail length 288 mm

known for their small size and unique anatomical features

Dilophosaurus wetherilli Variant:Unprimed possibly specialising in smallerDilophosaurus wetherilli is a primitive theropod dinosaur that lived during the Early Jurassic , approximately 193 million years ago, in what is now North America. Its fossils were discovered in the Kayenta Formation, in Arizona, and first described in 1954. This dinosaur is distinguished by having a pair of elongated bony crests on its skull, giving it its name, which means "double crested lizard". For a long time, Dilophosaurus was wrongly