NBMS Media Center: Mass Extinctions

1.Ordovicvian-Silurian

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

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

http://www.fossils-facts-and-finds.com/ordovician_period.html

2. Late Devonian

http://paleobiology.si.edu/geotime/main/devonian4.html

http://www.bbc.com/earth/story/20150624-the-day-the-oceans-died

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

3. Permian Extinction

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

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

http://science.nationalgeographic.com/science/photos/permian-period/#/dimetrodon_921_600x450.jpg

http://www.enchantedlearning.com/subjects/dinosaurs/dinotemplates/Permianprintouts.shtml

4. Triassic

http://scienceflix.digital.scholastic.com/popsci_article/0294360-0/GME

http://www.livescience.com/43295-triassic-period.html

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

http://www.enchantedlearning.com/subjects/dinosaurs/mesozoic/triassic/

http://www.fossils-facts-and-finds.com/triassic_period.html

5. Cretaceous - Tertiary (also called K-T)

http://www.enchantedlearning.com/subjects/dinosaurs/mesozoic/cretaceous/

http://www.joetucciarone.com/cretaceous.html

 http://www.livescience.com/29231-cretaceous-period.html

http://www.fossils-facts-and-finds.com/cretaceous_period.html

San Diego Museum

Oregon Natural History - Online Fossil Collection

The Virtual Fossil Museum.net

One Geology - Fossils

Interactive Map of Extinct & Endangered Species

5 Worst Mass Extinctions