The Permain Period

http://dinosaurs.wikia.com/wiki/Dimetrodon

http://dinosaurs.wikia.com/wiki/Gorgonopsia

http://dinosaurs.wikia.com/wiki/Inostrancevia

http://dinosaurs.wikia.com/wiki/Edaphosauridae

http://dinosaurs.wikia.com/wiki/Sphenacodontidae

http://dinosaurs.wikia.com/wiki/Pareiasauridae

http://dinosaurs.wikia.com/wiki/Moschops

http://palaeos.com/paleozoic/permian/cisuralian.html

http://palaeos.com/paleozoic/permian/cisuralian.html

 http://science.nationalgeographic.com/science/photos/permian-period/

http://palaeos.com/paleozoic/permian/cisuralian.html  

http://science.nationalgeographic.com/science/photos/permian-period/

http://science.nationalgeographic.com/science/photos/permian-period/#/lystrosaurs-2_1053_600x450.jpg

http://upload.wikimedia.org/wikipedia/commons/3/3d/Blakey_260moll.jpg

(n.d.). Retrieved December 10, 2014, from http://images.nationalgeographic.com/wpf/media-live/photos/000/009/cache/dimetrodon_921_600x450.jpg

(n.d.). Retrieved December 10, 2014, from http://images.nationalgeographic.com/wpf/media-live/photos/000/012/cache/swimming-nautilus_1242_990x742.jpg

http://en.wikipedia.org/wiki/Permian

:http://science.nationalgeographic.com/science/photos/permian-period/

http://www.erbzine.com/mag14/1492.html

http://eschooltoday.com/ecosystems/what-is-a-biome.html

Permian-period.tripod.com

Geocraft.com

http://palaeos.com/paleozoic/permian/permian.htm

http://science.nationalgeographic.com/science/prehistoric-world/permian/

http://www.livescience.com/43219-permian-period-climate-animals-plants.html

http://www.ucmp.berkeley.edu/permian/permian.php

http://www.geologyclass.org/cambrian_concepts4.htm