The four classes of cnidarians include the following except

A.

Turbellaria

B.

Anthozoa

C.

Scyphozoa

D.

cubozoa

Correct answer is A

Modern cnidarians are generally classified into four main classes: sessile Anthozoa (sea anemones, corals, sea pens); swimming Scyphozoa (jellyfish) and Cubozoa (box jellies); and Hydrozoa

Turbellaria are one of the traditional sub-divisions of the phylum Platyhelminthes (flatworms).