What does ctenophora mean?

Ctenophora:

1. These are a group of invertebrates containing shellfish or comb jelly.
2. They are marine, diploid, radially symmetrical, and have body organization at the tissue level.
3. They have ciliated combs, which aid in movement.
4. They also exhibit bioluminescence.

For example, Ctenoplana, Pleurobrachia, Cestus etc.,