General Reference - The Permian (all listings)
Fossil Permian Plants from Puebla, Mexico: A discussion of fossil plants from the Matzitzi Formation with good photographs.
Fossils In Death Valley National Park: The paleontology, geology and natural wonders of Death Valley National Park (and more); many images of fossils; field trips; paleontology links, plus links to Death Valley.
Dinosaur Society: The Dinosaur Society encourages everyone to learn about and enjoy dinosaurs, and to support the work of people engaged in the science of palaeontology
Permian Tetrapods: Web site dedicated to Permian tetrapods with particular attention to the North American ones.