Evolution What the Fossils Say and Why it Matters

Fish Tales 215 (fig. 9.6A and B) burrow tail-first into the sandy sea bottom and then use the tentacles around the mouth and pha ...

216 Evolution? The Fossils Say YES! kidney, as well as other organ systems not found in hemichordates or sea squirts. They do no ...

Fish Tales 217 They live as parasites by attaching to the side of a fish with their suction cup mouth and using their rasping te ...

218 Evolution? The Fossils Say YES! FIGURE 9.8. The evolutionary history of the earliest vertebrates, showing the evolutionary p ...

Fish Tales 219 to protect them and “chain mail” down to their tails. None, however, had a strong pectoral or pelvic fin for stee ...

FIGURE 9.10. Early Cambrian soft-bodied vertebrates, the earliest known vertebrate fossils. (A) Haikouichthys. (B) Haikouella. ( ...

Fish Tales 221 Jaws: The Evolutionary Story The term “fish” is of value on restaurant menus, to anglers and aquarists, to strati ...

222 Evolution? The Fossils Say YES! FIGURE 9.11. The evolution of the sharks. (Drawing by Carl Buell) Acanthodian Cladoselache S ...

Fish Tales 223 fins, and a rigid tail that was almost symmetrical. In the Mesozoic, the hybodont sharks are considerably more ad ...

224 Evolution? The Fossils Say YES! another primitive sharklike feature. Their bodies are also covered with heavy rhombohe- dral ...

Fish Tales 225 symmetrical, but the vertebral column does curve upward within the upper lobe of the tail (fig. 9.13). Most of th ...

Coelacanths Devonian 415 360 317 300 251 200 145 65 0 Miss. Penn. Permian Triassic Jurassic Cretaceous Cenozoic Lungfish Temnosp ...

10 FISH OUT OF WATER The Great Leap Upward What creationists challenge evolutionists to show them, it seems, is a “perfect 10” t ...

228 Evolution? The Fossils Say YES! Others, such as the lepospondyls, may or may not be related to the temnospondyl- lissamphibi ...

Fish Out of Water 229 Smith named this astounding find Latimeria (after the discoverer) chalumnae (after where it was found), an ...

230 Evolution? The Fossils Say YES! had found another coelacanth. Soon the fish was flown back to South Africa on the orders of ...

Fish Out of Water 231 that they cannot have been ancestors of tetrapods. But once again, they are thinking of lad- ders when we ...

232 Evolution? The Fossils Say YES! Four on the Floor In my days it was believed that the place for a fish was in the water. A p ...

Fish Out of Water 233 In 2014, scientists published a remarkable study (Standen et al. 2014). They took popu- lations of the Afr ...

234 Evolution? The Fossils Say YES! robust lobed fins that could become legs and feet, but do the best they can with the relativ ...