Lancelet is

Options

A. Herdmania
B. Salpa
C. Branchiostoma
D. Doliolum

Answer

**Step-by-Step Solution:**

1. **Identify the Subject of the Question**: The question asks about "Lancelet." We need to determine what a lancelet is and its classification.

2. **Understand the Classification of Lancelet**: Lancelets are small, fish-like marine animals that belong to the subphylum Cephalochordata. The genus name for lancelets is "Branchiostoma."

3. **Review the Options Given**: The options provided are:
- Herdmania
- Salpa
- Branchiostoma
- Doliolum

4. **Analyze Each Option**:
- **Herdmania**: This is a genus of urochordates (tunicates) and is not related to lancelets.
- **Salpa**: This is also a urochordate, specifically a type of tunicate, and is not related to lancelets.
- **Doliolum**: Like Herdmania and Salpa, Doliolum is a urochordate and does not belong to the lancelet category.
- **Branchiostoma**: This is the correct genus name for lancelets and belongs to the subphylum Cephalochordata.

5. **Conclude the Correct Answer**: Based on the classification and analysis of the options, the correct answer to the question "Lancelet is" is **Branchiostoma**.

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