Dinosaurs, pterosaurs & marine reptiles of Isla Sorna

Name: Unenlagia
Pronunciation: U-nen-lag-ee-ah
Meaning of name: "Half bird"
Species: U. comahuensis, U. paynemili
Size: Estimated to have measured between 2 and 3 metres long, 1 metre tall and weighing up to 75kgs.
Family: Dromaeosauridae
Diet: Carnivore
First fossils found: Known only from a single, partial skeleton discovered in Neuquén province, western Argentina, in 1996. U. comahuensis named by Fernando Emilio Novas and Pablo Puerta in 1997. U. paynemili named by Jorge Calvo, Juan Porfiri and Alexander Kellner in 2004.
Lived: 93.9 to 86.3 million years ago during the Turonian and Coniacian stages of the Late Cretaceous in what is now western Argentina.

Head and beak look like an eagle.

Abelisaurids thrived during the Cretaceous, living in what is now Africa, India, Madagascar and South America. Their incredibly short arms were practically useless. The elbow joints were immobile, so the arms were always held straight. There were no wrist bones, either, and some didn't even have claws on their fingers.

Rugocaudia looks a little smaller than some of the others butwith that hedand neck plus the tail a humal wouldn't have mush of a chance.

Strange looking bird-dino.

Name: Troodon
Pronunciation: True-ah-don
Meaning of name: "Wounding tooth"
Species: T. formosus
Size: Unknown due to a lack of fossils.
Family: Troodontidae
Diet: Carnivore
First fossils found: Known only from isolated teeth. First discovered in the Judith River Formation of Montana in 1855. Named by American palaeontologist, Joseph Mellick Leidy, in 1856. Some palaeontologists believe that Troodon and another Theropod, Stenonychosaurus, may actually be the same animal. If this is shown to be correct, Troodon would become the official name.
Lived: 77 million years ago during the Campanian stage of the Late Cretaceous in what is now the western United States.





Troodon tooth