polyzoa and Bryozoa, terms explained.
"The Student's Elements of Geology"
Sir Charles Lyell
Reaumur, admitting the analogy indicated by Peyssonel, gave the name of polypes, not only to the sea-anemone, the coral animal, and the fresh-water Hydra, but to what are now known as the polyzoa, and he termed the skeleton which they fabricate a "polypier," or "polypidom."
"Autobiography and Selected Essays"
Thomas Henry Huxley
No longer considered as sea-weeds in virtue of their forms and modes of growth, polyzoa are now shown, by examination of their economy, to belong to the animal kingdom.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer