TY  - BOOK
AU  - Clarkson,E.N.K.
TI  - Invertebrate palaeontology and evolution 
SN  - 9788126533084 (Pbk)
AV  - QE770 
U1  - 562 C561I4 23
PY  - 2012///
CY  - New Delhi
PB  - Wiley India Pvt. Ltd.
KW  - Invertebrates, Fossil
KW  - Palaeotology
KW  - Fossil invertebrates
N1  - Includes bibliographies and index
ER  -