Radial symmetry is not found in

Which of the following pairs is correctly matched?

Provide a comparative outline of the main characteristics of each phylum in the Animal Kingdom.

Identify the categories $P$,$Q$,and $R$ in the given classification chart of Vertebrata.

Which of the following groups are classified as Anamniotes?

Given below are two statements:
Statement $I$: When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.
Statement $II$: In phylum Echinodermata, both adults and larvae are radially symmetrical.
In the light of the above statements, choose the most appropriate answer from the options given below: