Se cree que esta cresta se utilizaba para la exhibición visual durante el cortejo y la defensa del territorio

was a flightless bird endemic to the island of Mauritius in the Indian Ocean that became extinct during the 17th century

formando parte de los ecosistemas marinos de la época

Approximate measurements of the Nanuqsaurus

específicamente durante el Jurásico Temprano

Ceratosaurus nasicornis Scale:1:35 Se cree que esta crestaCeratosaurus (C. nasicornis, "Horned Lizard") is an extinct genus of theropod dinosaur that lived in the Tithonian of the Late Jurassic, approximately 153 and 148 million years ago, one of the last serpentine tailed Ceratosaurids. Ceratosaurus was a bipedal carnivore, quite early in the evolutionary history of theropod dinosaurs. Adult specimens could reach up to six meters in length and weigh close to a ton. Its main features were a horn over its