Is centric diatom algae?
Yes, centric diatom are algae that are species that display radial symmetry. Diatoms are like clams, they have a two-part silica cell wall, called frustules. Diatoms are then divided into two groups based on the symmetry of thier frustules, bilaterally symmetrical are called pennate diatom and centric diarom are radial symmetrical.