Junction line a series of subequal dots and swellings
Striae 15-18 in 10 µm
Areolae more widely spaced on keel than on valve face
Entomoneis alata has a junction line composed of several sub-equal dots and swellings. The striae number 15-18 in 10 µm. Areolae within a stria are more widely spaced on the keel than they are on the valve face.