Evolution Question 143

143. The earliest fossil form in the phylogeny of Horse is

[1994]

(a) Merychippus

(b) Mesohippus

(c) Eohippus

(d) Equus.

Show Answer

Answer : c

Hints & Solution

(c) Evolutionary history of horse was described by O.C. Marsh, 1879. Origin of horse took place in Eocene period and first fossil of horse was Eohippus found in North America. Evolutionary trend of Horse : Fossil : Eohippus $arrow$ Mesohippus Period: (Eocene) (Oligocene) $arrow$ Merychippus $arrow$ Pliohippus $arrow$ Equus (Miocene) (Pliocene) Recent (Holocene)