Evolution What the Fossils Say and Why it Matters

FIGURE 13.16. The family tree of the dogs, showing the variation from weasel-like Hesperocyon to the huge hyena-like bone-crushi ...

FIGURE 13.17. The family trees of the Felidae, or cat family, and of the Nimravidae, or “false cats,” which parallel cats in man ...

Mammalian Explosion 317 there is no shortage of diversity of fossils or transitional forms between nearly every fossil group kno ...

318 Evolution? The Fossils Say YES! Northwest of North America), and the first walruses (the desmatophocines of the early Miocen ...

(A) (A1) (B) (B1) (C) (C1) (D) (D1) (E) (E1) http://www.ebook3000.com ...

320 Evolution? The Fossils Say YES! of these “transitional” walruses are on display at the San Diego Natural History Museum, onl ...

Mammalian Explosion 321 Savage, R. J. G., and M. R. Long. 1986. Mammal Evolution: An Illustrated Guide. New York: Facts-on- File ...

FIGURE 14.1. The evolutionary radiation of the hoofed mammals or ungulates. (Drawing by C. R. Prothero; after Prothero 1994b) ...

14 Bossies and Blowholes Thundering Hooves We live in a world where most of the attention gets grabbed by the carnivores—and mam ...

324 Evolution? The Fossils Say YES! rhinos. This group had not been updated in a century, but I published a comprehensive monogr ...

Bossies and Blowholes 325 the creationists. Shortly after Darwin’s book was published, fossil horses in Europe were connected in ...

326 Evolution? The Fossils Say YES! Protorohippus, while others are assigned to a variety of genera, including previously pro- p ...

Bossies and Blowholes 327 gradual change between horse species, one example being Phil Gingerich (1980, 1989), with his excellen ...

328 Evolution? The Fossils Say YES! distinctions between different species of Miocene horses, which form a nice series of specie ...

Bossies and Blowholes 329 whole range of primitive anatomical features (three functional digits on their hands and feet, shorter ...

FIGURE 14.5. The evolutionary radiation of perissodactyls, showing the major branches of the horses, rhinos, tapirs, chalicother ...

Bossies and Blowholes 331 FIGURE 14.6. The evolutionary history of North American rhinoceroses. In the Eocene, they branched int ...

332 Evolution? The Fossils Say YES! then in the Oligocene (about 28 million years ago) they independently evolved two differ- en ...

Bossies and Blowholes 333 were widespread in North America and Eurasia through most of the past 50 million years, although their ...

334 Evolution? The Fossils Say YES! have more strongly developed cross crests. My friend Matt Colbert described a new species of ...