TY  - BOOK
AU  - Clarkson,E.N.K.
TI  - Invertebrate palaeontology and evolution
SN  - 0412479907
AV  - QE770 .C56 1986
PY  - 1993///]
CY  - London, New York
PB  - Chapman and Hall
KW  - Invertebrates, Fossil
N1  - Includes bibliographical references (pages 414-416) and indexes; Principles of palaeontology; -- Evolution and the fossil record; -- Origin and early diversification of metazoans; -- Sponges; -- Cnidarians; -- Bryozoans; -- Brachiopods; -- Molluscs; -- Echinoderms; -- Graptolites; -- Arthropods; -- Exceptional faunas
ER  -