单词 | amorphozoa |
释义 | Amorphozoan. Zoology. Now historical. With plural agreement. A group of animals lacking a definite, regular form, comprising principally sponges and certain types of protozoans. Also (in form amorphozoa): such animals collectively. ΘΚΠ the world > animals > invertebrates > [noun] > invertebrate > of no regular form Amorphozoa1830 amorpha1834 1830 Edinb. Jrnl. Sci. 2 464 The second type [of ‘true zoophytes’] is named Amorphozoa, and embraces the Spongiæ, Scyphiæ, Tethyæ, &c. 1856 D. Page Adv. Text-bk. Geol. xvi. 203 The amorphozoa or spongiform bodies, which seem to have crowded the waters. 1860 R. Owen Palæontol. 5 (heading) Protozoa. Class I.—Amorphozoa. Fossil sponges take an important place among the organic remains of the former world. 1916 E. S. Russell Form & Function (1917) xii. 201 The Amorphozoa or shapeless animals include many of the Protozoa and sponges; they have no typical form, and most of them are sessile. 2009 J. Sapp New Found. Evol. ii. 23 Owen divided the Protozoa into three classes: (1) the Amorphozoa for sponges; (2) the Rhizopoda (root-feet)..; and (3) the Infusoria. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021). < n.1830 |
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