Works Cited
"Cenozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Cenozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Cenozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Cenozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Mesozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Mesozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Mesozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Mesozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Paleozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Paleozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Paleozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Paleozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Precambrian Time." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Precambrian Time." National Geographic. National Geographic Society, 1996. Web. 6 Nov. 2014.
"Cenozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Cenozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Cenozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Cenozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Mesozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Mesozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Mesozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Mesozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Paleozoic Era." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Paleozoic Era." PBS. WGBH Educational Foundation and Clear Blue Sky Productions Inc., 2001. Web. 6 Nov. 2014.
"Paleozoic Era." ScienceViews. Calvin & Rosanna Hamilton, 2005. Web. 6 Nov. 2014.
"Paleozoic Era." UCMP. University of California Museum of Paleontology, 24 May 1994. Web. 6 Nov. 2014.
"Precambrian Time." LiveScience. Purch, 19 June 2013. Web. 6 Nov. 2014.
"Precambrian Time." National Geographic. National Geographic Society, 1996. Web. 6 Nov. 2014.