TY  - BOOK
AU  - Willmer, Pat
TI  - Invertebrate relationships - patterns in animal evolution
SN  - 9780521337120
U1  - 592.038 WIL 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Invertebrates -- Evolution
KW  - Invertebrates, Fossil
N1  - Includes index
ER  -