Crustaceans and the "Cambrian explosion".
Budd
G E
GE
Department of Earth Sciences, University of Uppsala, Norbyvagen 22, Uppsala S-752 36, Sweden.
Butterfield
N J
NJ
Jensen
S
S
D000818:Animals; D005075:Biological Evolution; D003445:Crustacea / Q000033:anatomy & histology / Q000145:classification; D005580:Fossils; D019015:Geologic Sediments