Major Divisions of Kingdom Animalia and the Problem With Animal Phyla

Soon we are going to dive into a study of all the different kinds of animals, but first we need some kind of road map. What are all the major divisions of Kingdom Animalia? Below kingdom is phylum, so how many animal phyla are there, and what are they called? This is actually an extremely complicated question to try and answer, let's find out why!

Script by Ryan Helcoski
Edited by Dr. Gonzalo Giribet: https://giribetgroup.oeb.harvard.edu/

"The Invertebrate Tree of Life" by Gonzalo Giribet and Gregory D. Edgecombe: https://press.princeton.edu/books/har...

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