Dinosaurs
Alastair's Dinosaurs, Amrit's Website of Dinosaurs, Australian Dinosaurs, Cyber Space Museum, Dino Directory, Dino Don's Dino World, Dinobase, DinoBuzz, Dinofun, Dinosaur Central
Mammals
Mammoths, Sabre-tooth Tigers, Ashfall Animals, Australian Prehistoric Mammals, Fossil Mammals, Paleocene Mammals of the World, The Fossil Mammal Hall, Utah's Ice Age Animals
Marine Life
A Moment in Time, Marine Reptiles, Marine Reptiles of South Dakota, Mesozoic Marine Reptiles, Reptiles of the Ancient Seas, The Brockport Sea Monster, The Ichthyosaur Page