The spinosaurids represent an enigmatic and highly unusual form of large tetanuran
theropods that were first identified in 1915. A recent flurry of discoveries and taxonomic …

For 150 million years, the skies didn't belong to birds--they belonged to the pterosaurs.
These flying reptiles, which include the pterodactyls, shared the world with the nonavian …

Dinosaurs had a wide variety of feeding mechanisms that strongly impacted on their ecology
and evolution. Here, we show how novel application of technologies borrowed from …

Isolated theropod teeth are common Mesozoic fossils and would be an important data
source for paleoecology biogeography if they could be reliably identified as having come …

In this complete and thorough update of Arthur Boucot's seminal work, Evolutionary
Paleobiology of Behavior and Coevolution, Boucot is joined by George Poinar, who …

Spinosaurids are some of the most enigmatic Mesozoic theropod dinosaurs due to their
unique adaptations to aquatic environments and their relative scarcity. Their taxonomy has …

The famous bone beds of the Morrison Formation, formed one hundred and fifty million
years ago and running from Wyoming down through the red rock region of the American …

Spinosaurs were large theropod dinosaurs showing peculiar specializations, including
somewhat crocodile-like elongate jaws and conical teeth. Their biology has been much …

Examples of bone exploitation by carnivorous theropod dinosaurs are relatively rare,
representing an apparent waste of both mineral and energetic resources. A review of the …

Spinosaurid theropod dinosaurs appear to represent convergent morphological evolution
toward a croc-odylian-like cranial morphology, previously linked to the possibility that …