Friday, February 25, 2011

Transitional Fossils



Nautiloids to Ammonoids:

Cephalopods:

Evolution of insects:

Evolution of Spiders

Invertebrates to Fish:

Chondrichthyes:

Bony Fish:

Fish To Tetrapods:

Amphibians:

Amphibians to Amniotes (early reptiles):

Turtles:

Snakes:

Lizards:

Pterosaurs:

Archosaurs to Dinosaurs:

Dinosauria:

Dinosaurs to Birds:

Bird Evolution:

Synapsid ("mammal-like reptiles") to mammals:

Evolution of Mammals:

Evolution of Whales:

Evolution of Sirenians:

Evolution of the Pinnipeds:

Evolution of the Horse

Human Evolution: