Juvenile spinosaurs (Theropoda: Spinosauridae) from the middle Cretaceous of Morocco and implications for spinosaur ecology

The Spinosauridae is a specialised clade of theropod dinosaurs known from the Berriasian to the Cenomanian of Africa, South America, Europe and Asia. Spinosaurs were unusual among non-avian dinosaurs in exploiting a piscivorous niche within riverine and estuarine habitats, and they include the largest known theropod. Although fossils of giant spinosaurs are increasingly well-represented in the fossil record, little juvenile material has been...