June 4, 2020 Initial pages on a new chapter about Phylum Cordata have been added to the Digital Encyclopedia of Ancient Life (DEAL). These cover basal chordates and jawless vertebrates.
Animal Phylogeny
May 22, 2019 We have added a brief, highly-simplified overview of animal phylogeny to the Digital Encyclopedia of Ancient Life. It may be accessed at: https://www.digitalatlasofancientlife.org/learn/animal-phylogeny/