An arthropod having unjointed legs is

Options

A. Limulus
B. Peripatus
C. Eupagurus
D. Millipede

Answer

To solve the question "An arthropod having unjointed legs is," we will analyze the options provided and identify the correct answer step by step.

### Step-by-Step Solution:

1. **Understanding Arthropods**:
- Arthropods are characterized by having jointed limbs and a body segmented into different parts. They also have an exoskeleton made of chitin.

2. **Analyzing the Options**:
- **Limulus**: Known as the horseshoe crab, it has jointed legs.
- **Peripatus**: This organism is known as a velvet worm and is unique among arthropods because it has unjointed legs.
- **Eupagurus**: This refers to a type of hermit crab, which also has jointed legs.
- **Millipede**: Millipedes are arthropods that have many segments, each with jointed legs.

3. **Identifying the Correct Answer**:
- Among the options, only **Peripatus** has unjointed legs. It is often referred to as a connecting link between the phyla Annelida and Arthropoda due to its unique characteristics.

4. **Conclusion**:
- Therefore, the correct answer to the question is **Peripatus**.

### Final Answer:
The arthropod having unjointed legs is **Peripatus**.

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