Lepidopleurus belongs to

Options

A. Echinoidea
B. Cephalopoda
C. Asteroidea
D. Polyplacophora.

Answer

To determine the classification of Lepidopleurus, we will analyze the provided options step by step.

### Step-by-Step Solution:

1. **Identify the options**: The options given are:
- Echinodea
- Cephalopoda
- Astrodea
- Polyplacophora

2. **Evaluate Echinodea**:
- Echinodea is a class under the phylum Echinodermata.
- Common examples include sea urchins.
- Since Lepidopleurus is not a sea urchin, this option is incorrect.

3. **Evaluate Cephalopoda**:
- Cephalopoda is a class under the phylum Mollusca.
- Common examples include octopuses and squids.
- Lepidopleurus is not an octopus, so this option is also incorrect.

4. **Evaluate Astrodea**:
- Astrodea is another class under the phylum Echinodermata.
- Common examples include starfish.
- Since Lepidopleurus is not a starfish, this option is incorrect as well.

5. **Evaluate Polyplacophora**:
- Polyplacophora is a class under the phylum Mollusca.
- Lepidopleurus is indeed a member of this class, which includes organisms commonly known as chitons.
- Therefore, this option is correct.

### Conclusion:
Lepidopleurus belongs to the class **Polyplacophora**.

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