Introduction to the Craniata

Synoptic Desctiption of the Craniata

Systematics of the Craniata

Cladogram of the Craniate Classes (after Benton 2005)

Hierarchical Classification of the Craniata

Relative Numbers of Living Craniate Species by Class

Return to the Deuterostomata

Return to the Animal Kingdom

Geological  Time Scale

References