TY  - BOOK
AU  - Clarkson E N K
TI  - Invertebrate paleontology and evolution
SN  - 0-632-05238-4
U1  - 562 
PY  - 1998///
CY  - Oxford
PB  - Blackwell Science
KW  - Fossil invertebrates
KW  - Invertebrate paleontology
KW  - Paleontology
ER  -