ectoproctn.adj.
/ˈɛktə(ʊ)prɒkt/, U.S. /ˈɛktəˌprɑkt/ Zoology. Now rare.
A. n.
Originally: an animal of the bryozoan group Ectoprocta. In later use: a bryozoan.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Polyzoa > [noun] > class Ectoprocta > member of
ectoproct1878
1878 Amer. Naturalist 12 618 The Ectoprocts pass during the period of their development through an Entoproctous condition.
1947 Biol. Bull. 92 115 A monograph..reviewing the behavior, development and metamorphosis of representative types of both endoprocts and ectoprocts.
1974 Nature 8 Feb. 396/1 Glaciomarine beds spanning some 250 m at the base of the Dwyka succession in South West Africa have yielded..the ectoproct Dyscritella.
2003 Chicago Sun-Times (Nexis) 20 Oct. 42 Polyzoans are the same as ectoprocts, by the way.
B. adj.
Of or relating to the bryozoan group Ectoprocta.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Polyzoa > [adjective] > belonging to class Ectoprocta
ectoproctous1877
ectoproct1902
1902 Proc. Amer. Philos. Soc. 41 66 There is some reason for believing however that the ectoproct larva belongs to the trochophore type.
1933 Q. Jrnl. Microsc. Sci. 75 393 The ciliary feeding mechanism of the Entoproct Polyzoa does not seem to have been worked out in any detail, as has that of the Ectoproct Polyzoa.
1977 J. Cohen Reproduction i. 5 The statoblasts of ectoproct Bryozoa.
2002 Integrative & Compar. Biol. 42 685 Ectoproct larvae are generally non-feeding.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).
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n.adj.1878