Divergence between echinoderms and chordates

Range ~900 million years ago
Organism Metazoa animals
Reference Pinto MR, Melillo D, Giacomelli S, Sfyroera G, Lambris JD. Ancient origin of the complement system: emerging invertebrate models. Adv Exp Med Biol. 2007 598: 372-88 DOI: 10.1007/978-0-387-71767-8_26 p.376 4th paragraphPubMed ID17892225
Comments P.376 4th paragraph: "Echinoderms, which belong to the deuterostome lineage, diverged from chordates about 900 mya."
Entered by Uri M
ID 117101