Valve view

Valve view is the appearance of a frustule when the entire valve face is in view. It is the view of the frustule when the valve face is perpendicular to the observer.

Citations

Barber, H.G. and Haworth, E.Y. (1981) Guide to the Morphology of the Diatom Frustule Freshwater Biological Association, 112 pp.
Round, F.E., Crawford, R.M. and Mann, D.G. (1990) The Diatoms. Biology and Morphology of the Genera. Cambridge University Press, Cambridge, 747 pp.

H Capitata 1 — Light micrographs of *Hippodonta capitata*, with a girdle view on the left and valve view on the right.