Ms. Haider's Virtual Zoo 

http://animaldiversity.org/

http://waynesword.palomar.edu/trnov01.htm#animals

http://www.ucmp.berkeley.edu/help/taxaform.html

http://faculty.college-prep.org/~bernie/sciproject/project/Kingdoms/Animal%20Kingdom%20-%205/Local%20copy/classification.html

Textbook:

"Unit 3 - Animals." Life IScience. Student ed. New York:                              Glencoe/McGraw-Hill Education, 2012. 374-98. Print.