polyzoonn.
/ˌpɒlɪˈzəʊən/, /ˌpɒlɪˈzəʊɒn/, U.S. /ˌpɑliˈzoʊən/, /ˌpɑliˈzoʊˌɑn/ Zoology. Now rare.
An animal of the former division Polyzoa; a bryozoan.The plural form is usually supplied by Polyzoa n.
ΚΠ
1842 W. T. Brande Dict. Sci., Lit. & Art 958/2 Polyzoons, Polyzoa, a class of compound animals resembling in their organs of support the Sertularians, but in their internal organization approaching nearly to the compound Ascidians.
1877 T. H. Huxley Man. Anat. Invertebrated Animals viii. 468 The resemblance of the larval Brachiopod to a Polyzoon, and especially to Loxosoma, is striking.
1922 Proc. Geol. Soc. 983 (title) On an instance of commensalism between a hermit crab and a polyzoon.
1967 Oceanogr. & Marine Biol. 5 366 Patch testing with pieces of the polyzoon..have confirmed that the Alcyonidium is the causative agent.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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