The early evolution of animals.
Bottjer
David J
DJ
University of Southern California, USA.
D000715:Anatomy; D000818:Animals; D005075:Biological Evolution; D002681:China; D003063:Cnidaria / Q000033:anatomy & histology; D019143:Evolution, Molecular; D005580:Fossils; D010163:Paleontology; D011161:Porifera / Q000033:anatomy & histology; D013997:Time Factors