TY  - BOOK
AU  - Simonetta,Alberto M.
AU  - 
TI  - The Early evolution of Metazoa and the significance of problematic taxa: proceedings of an international symposium held at the University of Camerino, 27-31 March 1989 
SN  - 0521402425 (hardback)
AV  - QE721.2.E85 E37 1991
U1  - 563 20
PY  - 1991///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Evolutionary paleobiology
KW  - Geology
KW  - Congresses
KW  - Paleontology, Stratigraphic
KW  - Metazoa
KW  - Invertebrates, Fossil
KW  - Evolution
KW  - Phylogeny
N1  - Includes bibliographical references
ER  -