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 fossil record of spinosaurid theropods from the Lower Cretaceous of the Iberian
Peninsula is relatively abundant, but not very informative. This record, as generally occurs in …

Sigilmassasaurus brevicollis is an enigmatic theropod dinosaur from the early Late
Cretaceous (Cenomanian) of Morocco, originally based on a few isolated cervical vertebrae …

A new medium-sized theropod dinosaur from the Arcillas de Morella Formation (upper
Barremian) in Vallibona (Castellón, Spain) is described based on a partial skeleton …

A new spinosaurid genus and species is described based on the right maxilla and five
caudal vertebrae of a single specimen from the Arcillas de Morella Formation (Early …

Spinosaurids are among the most distinctive and yet poorly-known of large-bodied theropod
dinosaurs, a situation exacerbated by their mostly fragmentary fossil record and competing …

We report theropod caudal vertebrae found at Phu Wiang Mountain, Thailand. They
resemble the Portuguese Baryonyx and pertain to the Spinosauridae based on the presence …

Abstract Although the Late Jurassic of Portugal has provided abundant dinosaur fossils,
material from the Early Cretaceous is scarce. This paper reports new cranial and postcranial …

The sauropod of El Oterillo II is a specimen that was excavated from the Castrillo de la Reina
Formation (Burgos, Spain), late Barremian–early Aptian, in the 2000s but initially remained …

Spinosaurid dinosaurs show a wide geographical and temporal distribution, being present
in Gondwanan and Laurasian landmasses, at least, during the Lower Cretaceous and the …