Paleontology
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- Conodont
- Information from Wikipedia on this group of extinct chordates resembling eels, their description, ecology, classification and their fossil teeth.
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- Conodonts
- Conodont elements are commonly found in marine deposits and are the only fossil remains of a soft-bodied creature. This article outlines the history of their study, their biology and life cycle.
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- Diapsid
- Information from Wikipedia on this group of reptiles characterised by having two holes, the temporal fenestra, in their skulls.
- 184
- Diapsida
- Information from the Tree of Life Web Project on this group of reptiles which includes lizards, Sphenodon, crocodylians, birds and their extinct relatives.
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- Drepanosauridae
- Information from Wikipedia on this family of reptiles from the late Triassic, characterized by their distinctive triangular skulls which resemble the skulls of birds.
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- Drepanosaurus unguicaudatus
- Provides information on this medium-sized reptile and its anatomy with several photographs of its fossilized remains.
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- Megalancosaurus
- Photographs and information on this small diapsid reptile from the Late Triassic of Northern Italy.
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- Mystriosuchus
- Illustration of this crocodile-like diapsid from the Upper Triassic, its description and some photographs.
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- All About Dinosaurs
- Learn about dinosaurs, dinosaur extremes, how dinosaurs are named, and dinosaur myths. Includes print out dinosaur information pages.
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- Australian Mesozoic Marine Reptiles
- Dann Pigdon provides information on plesiosaurs, pliosaurs and ichthyosaurs from Down Under.
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- Big Bad Bizarre Dinosaurs
- Article by John Updike from the National Geographic Magazine in which he wonders what evolution has wrought.
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- Geotimes: A Dinosaur's Wasted Legacy
- Article about a study by Katherine McCarville, a geology Ph.D. candidate at the South Dakota School of Mines and Technology.