† pharyngopneustaladj.ZoologyObsolete (in T. H. Huxley's classification) of or relating to a division Pharyngopneusta of invertebrates, comprising the tunicates and enteropneusts, which have gills opening into the pharynx.
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1877 T. H. HuxleyMan. Anat. Invertebrated Animals xii. 679 The Tunicata and the Enteropneusta..constitute the Pharyngopneustal Series.