The four classes of cnidarians include the following except
Turbellaria
Anthozoa
Scyphozoa
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).