User:Sinekonata/Books/Proterozoic Eon Zoa

Eukaryota -> Hemichordata

 * Geologic time scale
 * Proterozoic


 * I. Archaeplastida (Bikonta)
 * Red algae
 * Plant


 * II.Fungi (Unikonta; Opisthokonta)
 * Fungus


 * III.Metazoa (Unikonta; Opisthokonta)
 * a Parazoa
 * Placozoa


 * b. Eumetazoa
 * Germ layer


 * b 1. Radiata
 * Radiata


 * b 2. Bilateria
 * Bilateria


 * b 2.1. Protostomia
 * Mollusca
 * Annelid
 * Arthropod
 * Chaetognatha
 * Nematode


 * b 2.2. Deuterostomia
 * Phoronid
 * Brachiopod
 * Echinoderm
 * Hemichordata