Paleontology
- 221
- Oceans of Kansas Paleontology
- Late Cretaceous marine fossils from the Western Interior Seaway. More than 50 pages of information on mosasaurs, plesiosaurs and other fossils found in Kansas and the Midwest.
- 222
- Placodont
- Information from Wikipedia on the Placodonts, a group of marine reptiles with heavy armour plating that lived during the Triassic period.
- 223
- 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.
- 226
- Texas Memorial Museum: Onion Creek Mosasaur
- Information on this 30 foot long reptile, Mosasaurus maximus, from the Late Cretaceous.
- 227
- Flying Reptiles
- The Natural History Museum supplies illustrations of Quetzalcoatlus, Anhanguera, Campylognathoides, Dimorphodon, Dorygnathus, Rhamphorhyncus, Tapejara and Pteranodon, with brief facts about each.
- 228
- Pterosaur.net
- Written by pterosaur researchers and artists. Information about research, reconstructions, and pterosaurs in the popular imagination.
- 230
- Notobatrachus degiustoi
- The Tree Of Life Project provides information on this frog from the Middle Jurassic and its phylogenetic relationships.
- 231
- Triadobatrachus massinoti
- Wikipedia provides information on this proto-frog, the earliest known salientian, from the Early Triassic of Madagascar.
- 232
- 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.
- 234
- Mammal-like Reptiles
- The Natural History Museum supplies illustrations of Anteosaurus, Cynognathus, Dicynodon, Dimetrodon, Lystrosaurus, Moschops, Oligokyphus and Thrinaxodon, with brief facts about each.
- 235
- Synapsid
- Information from Wikipedia on this group of reptiles, their changing classification, characteristics and evolutionary history.