单词 | placobranchoid |
释义 | placobranchoidadj.n. Zoology. rare. A. adj. Of, relating to, or designating members of the molluscan superfamily Placobranchoidea (also called Elysioidea, and included in the order Sacoglossa), comprising slug-like marine opisthobranch gastropods having plate-like gills covering the upper surface of the mantle. ΚΠ 1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. at Placo- Placobranchoid, a. 1996 Philos. Trans. (Royal Soc.) B. 351 113/2 The position of the anus and female genital opening close together in an anterior ciliated groove is a placobranchoid synapomorphy. B. n. A mollusc of the superfamily Placobranchoidea. ΚΠ 1996 Philos. Trans. (Royal Soc.) B. 351 100/1 In many placobranchoids there is also a groove extending part or all the way across the foot sole. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < adj.n.1895 |
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