f e d C b a ancestral protist b Porifera Ctenophora Cnidaria

Last updated: 7/6/2023

f e d C b a ancestral protist b Porifera Ctenophora Cnidaria Acoela Hemichordata Echinodermata Chordata Platyhelminthes Rotifera Ectoprocta Brachiopoda Mollusca Annelida 74 Nematoda P101 Arthropoda Which group is the Lophotrochozoa Refer to this phylogeny