As we circulate to your the https://datingmentor.org/pl/sudy-recenzja/ latest Oligocene, ponies begin to transform. The newest climate out of The united states was to get more dry, and you may grasses were merely developing. The fresh huge forest was indeed beginning to shrink. The latest later Eocene horses answered by the developing harder white teeth and you can to get a while larger and you may leggier (for better speed in the open).

Mesohippus

The brand new variety Mesohippus celer looks unexpectedly about late Eocene, approx forty My (including sudden speciations can happen whenever a people knowledge new selective forces and you will/otherwise gets remote throughout the parent kinds. Such speciations are “sudden” simply for the geological terms, however, in which a few billion decades is “sudden”.) Which creature are a little bigger than Epihippus, 24″ during the shoulder. Leia mais