TY  - BOOK
AU  - Nielsen,Claus
ED  - Oxford University Press.
TI  - Animal evolution: interrelationships of the living phyla 
SN  - 0198506821
AV  - QH367.5 .N53 2001
PY  - 2001///]
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Phylogeny
KW  - Evolution (Biology)
N1  - Includes bibliographical references and indexes
ER  -