The Story of Evolution in 25 Discoveries: The Evidence and the People Who Found It by Donald R. Prothero

Author:Donald R. Prothero [Prothero, Donald R.]
Language: eng
Format: epub
ISBN: 9780231190367
Amazon: 0231190360
Barnesnoble: 0231190360
Goodreads: 49151680
Published: 2020-12-14T15:46:17+00:00

SOUTH AMERICA

NORTH AMERICA

OLD WORLD

0

Q

Equus

Equus

2

Hippidion

.

Onohippidion

Old World

Dinohippus

PLIO

Parahipparion

hipparions

5

One-toed

Nannippus

Pliohippus Three-toed

Neohipparion

Astrohippus

Pseudhipparion

Cormohipparion

Hipparion

Merychippus

Megahippus

Calippus

MIOCENE

Sinohippus

Equines

Protohippus

Hipparionines

“Merychippus”

Anchitherium

Archaeohippus

23

Parahippus

Kalobatippus

Anchitherlines

OLIGOCENE

34

Miohippus

PALAEOTHERE

Mesohippus

GROUP

Haplohippus

Epihippus

EOCENE

Orohippus

GRAZERS

BROWSERS

Gobihippus

Protorohippus

55

Radinskya

Figure 14.4

A modern view of horse evolution, emphasizing the bushy branching nature of their history, as many more fossils have been found and new species named. However, the overall trends toward higher-crowned teeth (shown by the symbols for browsing leaves or grazing grasses), larger size, longer limbs, and reduction of side toes are still true. (Drawing by C. R. Prothero)

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