Birds are some of the most diverse organisms on Earth, with species inhabiting a wide
variety of niches across every major biome. As such, birds are vital to our understanding of …

Isolated theropod teeth are some of the most common fossils in the dinosaur fossil record
and are continually reported in the literature. Recently developed quantitative methods have …

Teleosauroidea was a clade of ancient crocodylomorphs that were a key element of coastal
marine environments during the Jurassic. Despite a 300-year research history and a recent …

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 …

Shed teeth are usually the most abundant theropod material on a dinosaur fossil site and
are constantly reported in the literature. Although new quantitative techniques have …

Abstract The South American fossil record of abelisaurids (Ceratosauria: Abelisauridae)
theropods is relatively abundant and diverse in Cretaceous rocks, particularly in Brazil and …

Fragmentary remains of a large, robustly built theropod dinosaur were recovered from the
marine middle Callovian Ornatenton Formation of north-eastern Northrhine-Westphalia …

The holotype of the dromaeosaurid Saurornitholestes langstoni was described in 1978 on
the basis of fewer than 30 associated cranial and postcranial bones of a single individual …

Bite marks provide direct evidence for trophic interactions and competition in the fossil
record. However, variations in paleoecological dynamics, such as trophic relationships …

During the latest Cretaceous, distinct dinosaur faunas were found in Laurasia and
Gondwana. Tyrannosaurids, hadrosaurids, and ceratopsians dominated in North America …