Its name is Leptictidium auderiense

siendo su rasgo más característico la vela o aleta dorsal que podía alcanzar los 2 metros y pudiera haberle servido de regulador térmico

proporcionando más superficie para la natación

cebras y asnos

Approximate measurements of Eohippus:

Altirhinus kurzanovi Machairoceratops Its name is Leptictidium auderienseAltirhinus kurzanovi was an ornithopod dinosaur from the Early Cretaceous, about 120 million years ago, whose fossils have been found in the Khuren Dukh Formation (Mongolia). Its name means "high nose," alluding to its characteristic prominent, arched nasal protuberance. This trait is thought to have been related to vocal resonance, intraspecific recognition, or even visual display. Biometrically, Altirhinus reached between 6 and 8 meters in length ,