@ Dr. Heinz Lycklama
Basis of Theory
nThe theory of the evolution of
the horse has
been based on some of the following assumptions:
nFour-toed -> three-toed
-> two-toed -> one-toed (today)
nNumber
of ribs varies between 15 and 19
nSimilarities
in the “horse” skulls
nSimilarities
in leg bones