The diatom cell is composed of two valves. When the valve is viewed from the side, this view is called the girdle view.
Image Credit: Eduardo Morales
Scanning electron micrograph of Staurosirella pinnata in girdle view, showing the side view of two valves and the girdle bands.
Image Credit: Mark Edlund
Two live cells (two frustules are the silica elements) of Pinnularia, shown in girdle view.
Image Credit: Marina Potapova
Two light micrographs of Hippodonta capitata showing a girdle view (left) and valve view (right).