Paleontology
- 221
- Preparing Mary the Ichthyosaur at Charmouth Fossils
- Shows the processes involved in preserving and preparing the fossil of this 40 foot long ichthyosaur found near Lyme Regis, UK in the year 2000.
- 224
- Texas Memorial Museum: Onion Creek Mosasaur
- Information on this 30 foot long reptile, Mosasaurus maximus, from the Late Cretaceous.
- 225
- Flying Reptiles
- The Natural History Museum supplies illustrations of Quetzalcoatlus, Anhanguera, Campylognathoides, Dimorphodon, Dorygnathus, Rhamphorhyncus, Tapejara and Pteranodon, with brief facts about each.
- 226
- Pterosaur.net
- Written by pterosaur researchers and artists. Information about research, reconstructions, and pterosaurs in the popular imagination.
- 228
- Notobatrachus degiustoi
- The Tree Of Life Project provides information on this frog from the Middle Jurassic and its phylogenetic relationships.
- 229
- Triadobatrachus massinoti
- Wikipedia provides information on this proto-frog, the earliest known salientian, from the Early Triassic of Madagascar.
- 230
- Triadobatrachus massinoti
- Information on this amphibian fossil found in Madagascar which dates from the Triassic era about 200 million years ago and is a link between Labrynthodont amphibians and modern frogs.
- 232
- Mammal-like Reptiles
- The Natural History Museum supplies illustrations of Anteosaurus, Cynognathus, Dicynodon, Dimetrodon, Lystrosaurus, Moschops, Oligokyphus and Thrinaxodon, with brief facts about each.
- 233
- Synapsid
- Information from Wikipedia on this group of reptiles, their changing classification, characteristics and evolutionary history.
- 234
- Synapsida: Mammals and Their Extinct Relatives
- Information from the Tree of Life Web Project on the synapsids which include mammals and all extinct amniotes more closely related to mammals than to reptiles.