opisthobranchiateadj.n.
/ə(ʊ)ˌpɪsθəˈbraŋkɪeɪt/, /ə(ʊ)ˌpɪsθəˈbraŋkɪət/, U.S. /əˌpɪsθoʊˈbræŋkiᵻt/, /əˌpɪsθoʊˈbræŋkiˌeɪt/ Zoology.
A. adj.
= opisthobranch adj.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [adjective] > of superorder Branchifera > belonging to order Opisthobranchiata
opisthobranchiate1852
opisthobranch1890
1852 Philos. Trans. (Royal Soc.) 142 233 An article on the Opisthobranchiate Mollusks.
1854 S. P. Woodward Man. Mollusca ii. 169 Oncidium..Typhæ... Animal oblong, convex..heart opistho-branchiate.
1877 T. H. Huxley Man. Anat. Invertebrated Animals viii. 506 Strictly speaking, no Odontophoran is other than opisthobranchiate.
1889 Athenæum 13 July 67/1 Dr. Pelseneer..maintains..that it is a mistake to regard the Pteropoda as a ‘class’ at all. He considers them as forming two sub-orders of the opisthobranchiate gastropods.
1921 Amer. Naturalist 55 222 The numerous groups of family rank included in the sub-order Nudibranchiata of the opisthobranchiate Mollusca.
1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) xv. 615 (caption) Opisthobranchiate molluscs in dorsal view.
1984 Syst. Zool. 33 270 A long list of orders—some opisthobranchiate and some pulmonate.
B. n.
= opisthobranch n. rare.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Opisthobranchiata > member of
sea-slug1845
opisthobranch1851
opisthobranchiate1885
1885 Cassell's Encycl. Dict. V. i. 282/2 Opisthobranchiate, any individual of the order Opisthobranchiata.
1937 W. C. Allee & K. P. Schmidt Hesse's Ecol. Animal Geogr. xiii. 238 Lamellibranchs are represented only by Planktomya, and snails only by a few opisthobranchiates and the specialized heteropods and pteropods.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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adj.n.1852