The mineralized soft tissue of a dinosaur, only the second discovery of its kind is reported
from the Lower Cretaceous of Las Hoyas, Spam. Cellular details of mineralized skin and …

Ajoint team of the Universidad Nacional del Comahue, the" Ente para el Desarrollo de la
Margen Sur-ENOEMAS"(Argentina) and the Universidad de Zaragoza (Spain) has started …

The South-Central Pyrenean Unit~ omprises a continuous Cretaceous to Ternary
stratigraphic succession of coastal marine and connn~ ntal deposits reaching more than …

We describe four theropod teeth from the Upper Hauterivian-Lowermost Barremian of La
Cantalera (Teruel, Spain), characterized by the presence of denticles only in their distal …

A new carcharodontosaurid taxon, Lajasvenator ascheriae gen. et sp. nov. is described. The
new taxon is based on two specimens: MLL-PV-Pv-005 is a partial skeleton represented by …

Isolated teeth from vertebrate microfossil localities often provide unique information on the
biodiversity of ancient ecosystems that might otherwise remain unrecognized. Microfossil …

Twelve isolated spinosaurid teeth from the Enciso Group of the eastern Cameros Basin (La
Rioja, Spain) have been studied. The fossil material has been found in five sites near the …

The femur is 64, 7 cm long and very similar to the Ceratosaurus nasicornis, the difference
being that it is slightly longer. In the 58, 3 cm tibia, the relative position of the epiphysials …

In this work we present a preliminary analysis of some theropod and crocodile teeth found in
the fossil site of El Horcajo, situated in the Cameros Chain, close to the vicinity of Trevijano …

The species Allosaurus fragilis, from the Morrison Formation of North America
(Kimmeridgian–Tithonian, Upper Jurassic), is one of the best known members of the …