TY  - GEN
AU  - Levinton,J S
TI  - The big bang of animal evolution
SN  - 0036-8733
PY  - 1992///1106
KW  - Animals
KW  - Biological Evolution
KW  - Invertebrates
KW  - Paleontology
KW  - Vertebrates
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/scientificamerican1192-84
ER  -