Study of animal fossils are

Answer

**Step-by-Step Solution:**

1. **Definition of Fossils**: Begin by understanding what fossils are. Fossils are the preserved remains or traces of organisms that lived in the past. They can include bones, shells, or imprints in stone.

2. **Types of Fossils**: Recognize that fossils can be from both animals and plants. However, for this question, we are specifically focusing on animal fossils.

3. **Study of Animal Fossils**: Identify the specific field of study that focuses on animal fossils. This field is known as paleozoology.

4. **Conclusion**: Summarize the findings by stating that the study of animal fossils is called paleozoology.

**Final Answer**: The study of animal fossils is called paleozoology.

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