Ouranosaurus nigeriensis es un dinosaurio ornitópodo que vivió durante la etapa Aptiana del Cretácico Inferior de los actuales Níger y Camerún

típicos de un carnívoro activo

the Saudi gazelle faced the threat of extinction

known primarily from a relatively complete skull (CMNH 7541) found in the Hell Creek Formation of Montana

Halszkaraptor escuilliei Carnotaurus sastrei Ouranosaurus nigeriensis es un dinosaurioHalszkaraptor escuilliei is a theropod dinosaur from the Late Cretaceous (approx. 7571 million years ago), belonging to the Dromaeosauridae clade, described from an exceptionally well preserved specimen from the Djadochta Formation (Mongolia). This taxon has generated particular interest in paleontology due to its unique combination of morphological traits, suggesting semi aquatic adaptations uncommon among non avian dinosaurs. From a biometric point