TY  - BOOK
AU  - Morris, S.
AU  - George, J.
AU  - Gibson, R.
TI  - The Origins and Relationship of Lower Invertebrates
SN  - 019857181X
PY  - 1985///
CY  - Oxford
PB  - Clarendon Press
KW  - Invertebrates-Evolution
KW  - Phylogemy
ER  -