TY  - GEN
AU  - Smith,Andrew B
TI  - Palaeontology: echinoderm roots
SN  - 1476-4687
PY  - 2004///0809
KW  - Animals
KW  - China
KW  - Echinodermata
KW  - anatomy & histology
KW  - Fossils
KW  - Phylogeny
KW  - Time Factors
N1  - Publication Type: Comment; News
UR  - https://doi.org/10.1038/430411a
ER  -