Guide to Cocconeis pediculus
Credit: Catharina Grubaugh, Steve Main
- Saddle-shaped frustule
- Hyaline area on raphe valve margin
- Rapheless valve with transapically elongated areolae
The arched valves form saddle-shaped frustules. Striae on the raphe valve terminate before reaching the valve margin, creating an hyaline ring around the valve margin. Striae on the rapheless valve are transapically elongated.