Dino

Dino flagellata, a subclass of the Mastigophora (q.v.), a class of the Protozoa. In this group the animal is provided with two or more flagella, of which both may be at the anterior pole as in the order Adinida, or one may occur at the pole while the rest are lodged in lateral furrows, as in the order Dinifera. The whole of the animals in this subclass are microscopic in size.