A structure consisting of the fused shells of colonial protozoans. Cf. zoothecium n. at zoo-, comb._form affix.
| 单词 | θ31744 |
| 释义 | the world > animals > invertebrates > protozoa > class Infusoria > [noun] > member of > colony of (1) polythecium1880 A structure consisting of the fused shells of colonial protozoans. Cf. zoothecium n. at zoo-, comb._form affix. |
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