Which of the following is not an example of sponges ?

Options

A. Sycon
B. Spongilla
C. Eupongia
D. Gorgonia

Answer

To determine which of the following options is not an example of sponges, we will analyze each option one by one.

1. **Psycon**:
- Psycon, also known as Psycpha, is a type of sponge. It belongs to the class of sponges, confirming that it is indeed an example of a sponge.

2. **Spongeela**:
- Spongeela refers to freshwater sponges. These organisms are classified under the class Demospongiae, which is a group of sponges. Hence, Spongeela is also an example of a sponge.

3. **U Spongeela**:
- U Spongeela, commonly known as Turkish Bath Sponges, also falls under the class Demospongiae. Therefore, U Spongeela is another example of a sponge.

4. **Gorgonia**:
- Gorgonia, commonly referred to as Siphen, does not belong to the phylum Porifera (which includes sponges). Instead, it belongs to a different phylum, indicating that it is not a sponge.

Based on this analysis, the answer to the question "Which of the following is not an example of sponges?" is **Gorgonia**.