Consider the following statements and give appropriate names of the phyla and one example for each of the following:
Animals with an unsegmented soft body having a calcareous shell_______.

Explanation

To answer the question about animals with an unsegmented soft body having a calcareous shell, we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics**: The question describes animals that have an unsegmented soft body and possess a calcareous shell.

2. **Determine the Phylum**: Based on these characteristics, the appropriate phylum is **Mollusca**. Mollusks are known for their soft bodies and often have a hard, calcareous shell.

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