This adaptation makes it a key species for understanding the morphological and ecological diversity of Phocoenidae during the Pliocene

with its neck accounting for a large portion of its overall size

the presence of Eomaia could have provided a constant food source for Microraptor gui

could measure up to 6 meters long

adaptada a climas más templados

Mononykus olecranus mixotoxodon This adaptation makes it aMononykus olecranus was a small alvarezsaurid theropod dinosaur from the Late Cretaceous of Mongolia, known from fossil remains recovered from deposits in the Gobi Desert. Originally described in the early 1990s by Perle, Norell, Chiappe and Clark, this taxon quickly became recognised as one of the most unusual forms among maniraptoran dinosaurs because of the extreme reduction of its forelimbs and the presence of a single functional claw on each