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.
Mantle
The mantle is the downturned side of the valve surrounding the valve face. The mantle is visible when a frustule is viewed in girdle view.
Image Credit: Marina Potapova
Image Credit: Marina Potapova
Image Credit: Marina Potapova
The mantle of Aulacoseira alpigena is ornamented, while the valve face has marginal areolae.
Image Credit: Marina Potapova
The mantle of Stephanodiscus yellowstonensis is rounded at the junction of the mantle and the face.