What Is An Example Of A Specific Type Of Diatom?

What Is An Example Of A Specific Type Of Diatom? Pinnularia is an elongated, elliptical diatom covered in a mucilaginous layer. The genus belongs to the family Pinnulariaceae, order Naviculales, class Bacillariophyceae. Navicula is a genus that belongs to the family Naviculaceae, order Naviculales, class Bacillariophyceae. What is a specific type of diatom? We can