Существительное
The upper half of the theca of a thecate protist such as a diatom or dinoflagellate.
- Связанные слова
- Примеры
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Другие примеры (1)
Cellariiform, the orifices nearly confined to the convex frontal and lateral surfaces; the basal surface with a strong median calcareous keel, almost concealed by a flat membranous epitheca, which covers the whole zoarium […]