basal animal clade as a sister group of the Porifera

Eumetazoa is a clade which includes all major animal phyla except 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.

Temporal range: early Ediacaran (perhaps earlier) – Recent
A lancelet
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Subkingdom: Eumetazoa
Butschli, 1910

Subgroups change

References change

  • 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.