Sea Cradles is a marine mollusc. Its scientific name is

Options

A. Chiton
B. Teredo
C. Unio
D. Nautilus

Answer

To answer the question about the scientific name of the marine mollusc known as the sea cradle, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Common Name**: The question refers to "sea cradle," which is a common name for a specific type of marine mollusc.

2. **Research the Scientific Classification**: The scientific classification of molluscs includes various classes such as Gastropoda, Bivalvia, Cephalopoda, and Polyplacophora. The sea cradle is known as "chiton."

3. **Determine the Correct Class**: Chitons belong to the class Polyplacophora. They are characterized by their eight overlapping shell plates.

4. **State the Scientific Name**: The scientific name for the chiton, which is the sea cradle, is simply "Chiton." However, it is important to note that "Chiton" is a genus name, and there are many species within this genus.

5. **Conclusion**: Therefore, the scientific name of the marine mollusc known as the sea cradle is "Chiton."

### Final Answer:
The scientific name of the sea cradle (marine mollusc) is **Chiton**.

---