TY  - BOOK
AU  - Clarkson, E. N. K
TI  - Invertebrate palaeontology and evolution
SN  - 9780632052387
SN  - 200126598
U1  - 562 CLA 
PY  - 1998///
CY  - Malden, MA
PB  - Blackwell Science
KW  - Invertebrates, Fossil
N1  - Includes bibliographical references and indexes
ER  -