Eumetazoa

Eumetazoa Temporal range: early Ediacaran (perhaps earlier) – Recent
Many species in this group
Scientific classification
Kingdom:	Animalia
Subkingdom:	Eumetazoa Butschli, 1910

Eumetazoa is a clade which includes all major animal phyla except for sponges, and a few other groups of animals, such as the Placozoa. The Eumetazoa have true tissues, neurons, and an embryo that goes through a gastrula stage.

Subgroups

• Ctenophora
• ParaHoxozoa

References

Wikispecies has information on: Eumetazoa.

• Borchiellini C. et al. 2001. Journal of Evolutionary Biology 14 (1): 171-179.
• Peterson, Kevin J. et al. 2005. Tempo & mode of early animal evolution: inferences from rocks, Hox, & molecular clocks. Paleobiology 31(2, Supplement): 36-55.