: Several chapters explore how the influx of genomic data has allowed researchers to move beyond just anatomical characters to refine the "Animal Tree of Life".
The resource you are referring to is actually a titled Animal Evolution: Genomes, Fossils, and Trees , edited by Maximilian J. Telford and D.T.J. Littlewood . Animal Evolution. Genomes, Fossils, and Trees
: It contains specialized chapters on controversial topics, such as the evolution of the mouth and anus (the "questionable openings") by researchers like Andreas Hejnol and Mark Martindale . Accessing the Content : Several chapters explore how the influx of
: You can find individual chapters and editorial introductions on ResearchGate . Animal Evolution: Genomes, Fossils, and Trees Littlewood
: It highlights how molecular biology—specifically molecular phylogenetics and developmental biology—provides the "objective source of data" needed to test evolutionary scenarios that once seemed unsolvable.