The Paleontology Portal
http://www.paleoportal.org

General Reference - The Permian (all listings)

Fossil Permian Plants from Puebla, Mexico: A discussion of fossil plants from the Matzitzi Formation with good photographs.
URL: http://www.geologia.unam.mx/igl/deptos/paleo/weber/florperm.htm

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.

URL: http://inyo.coffeecup.com/site/dv/dvfossils.htm

List of Dinosaurs: This dinosaur listing is data-packed and can be sorted by dinosaur length, weight, time period, etc.
URL: http://dinosaurs.findthedata.org/

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
URL: http://www.dinosaursociety.com

Permian Tetrapods: Web site dedicated to Permian tetrapods with particular attention to the North American ones.
URL: http://www.permiantetrapods.net