Fishes and amphibians are anamniotes/amniotes.

Explanation

**Step-by-step Solution:**

1. **Understanding the Terms:**
- First, we need to clarify the terms "amniotes" and "anamniotes." Amniotes are organisms that possess extra embryonic membranes, which protect the embryo from the external environment. Anamniotes, on the other hand, are those that do not have these membranes.

2. **Identifying Extra Embryonic Membranes:**
- Amniotes have four types of extra embryonic membranes:
- Chorion
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