Substantiv
The upper half of the theca of a thecate protist such as a diatom or dinoflagellate.
- Verwandte Wörter
- Beispiele
-
Weitere Beispiele (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 […]