Diatoms of North AmericaDiatoms of North America

Glossary

Like the rest of this website, the glossary is a work in progress. If we’ve missed a term, please contact us to let us know the term and references.

Lunate

Lunate refers to a structure having the shape of a crescent moon. Certain species of Caloneis have lunate thickenings of silica in the central area.

Lunate
Image Credit: Pat Kociolek
The lunate markings are shown in the central area of Caloneis silicula.
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