Which of the following is an endogenic species of earthworm?

Options

A. Octochaetonse serrata
B. Lampito maritti
C. Lumbricus feretris
D. All of the above

Answer

To determine which of the following is an endogenic species of earthworm, we need to analyze the options provided and understand what "endogenic" means in this context.

### Step-by-Step Solution:

1. **Understand the Term "Endogenic":**
- Endogenic species refer to organisms that are soil-dwelling. In the context of earthworms, these species live primarily in the soil and contribute to soil health and aeration.

2. **Identify the Options:**
- Option A: Octocatons serrata
- Option B: Lampetomeridae
- Option C: Lambicus terrestris
- Option D: All of the above

3. **Evaluate Each Option:**
- **Option A: Octocatons serrata**
- This species is not recognized as an endogenic earthworm.
- **Option B: Lampetomeridae**
- This is also not classified as an endogenic species of earthworm.
- **Option C: Lambicus terrestris**
- This species is known to be an endogenic earthworm, as it is soil-dwelling and plays a role in soil ecology.
- **Option D: All of the above**
- Since only Lambicus terrestris is an endogenic species, this option is incorrect.

4. **Conclusion:**
- Based on the analysis, the correct answer is **Option C: Lambicus terrestris**, as it is the only endogenic species of earthworm listed among the options.

### Final Answer:
**Option C: Lambicus terrestris**