Eric Walker added Phallusia mammillata and Ascidiacea - Wikipedia and This Ancient Sea Creature Builds Its Body With a Whisper, not a Scream - The New York Times to Sea squirts, and added Sea squirts to Tunicata
Eric Walker added Sea squirts and Thaliacea to Tunicata, and added Tunicata to Chordata
Eric Walker added a number of topics and Chordate - Wikipedia to Chordata, and added Chordata to Deuterostome