Philogenetics

My challenge: Draw one of every type of animal known to science. I'm dividing them up by orders currently.
Expected time of completion: indefinite. I will fill in the links as I draw more.

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I have excluded extinct varieties and have omitted some of the sub-categories to simplify the tree. Hopefully I'll make it so the sections I don't have links in are hidden. I'm trying to just go by phylum->class->order without using any of the fancy subclasses. We'll see how far I get with that.