Most of the main groups of the animal kingdom—arthropods, brachiopods, coelenterates, echinoderms, molluscs and even chordates, the branch from which vertebrates went on to develop—are found in the fossil beds of the Cambrian.
人们在寒武纪群落里发现了动王国的主要动集群,包括腕足、腔肠、棘皮、软体和脊索(脊椎动进化的分支)。