epitheca en · NOUN
Etymology
Ancient Greek ἐπί (epí, “upon”) + θήκη (thḗkē, “case, box, receptacle”)
Meanings
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The upper half of the theca of a thecate protist such as a diatom or dinoflagellate.
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 […]
1957, Sidney Frederic Harmer, The Polyzoa of the Siboga Expedition, page 1106:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| epithecae | Number=Plur | lexicographic |