Perissodactyla consists of

Options

A. Even toed hoofed unguligrade mammals
B. Odd toed hoofed unguligrade mammals .
C. Even toed non-hoofed digitgrade mammals.
D. Odd toed non-hoofed digitigrade mammals .

Answer

**Step-by-Step Solution:**

1. **Understanding Perissodactyla**: Begin by recognizing that Perissodactyla is a taxonomic group within the class Mammalia. This group is commonly referred to as odd-toed ungulates.

2. **Identifying Ungulates**: Ungulates are mammals that have hooves. They are categorized into two groups based on the number of toes: even-toed ungulates (Artiodactyla) and odd-toed ungulates (Perissodactyla).

3. **Analyzing the Options**:
- Option 1: Even-toed, hoofed, ungulate grade mammals - This refers to Artiodactyla, which is not correct for Perissodactyla.
- Option 2: Odd-toed, hoofed, ungulate grade mammals - This correctly describes Perissodactyla, as they have either one or three toes.
- Option 3: Even-toed, non-hoofed, digitigrade mammals - This is incorrect as it does not pertain to either group of ungulates.
- Option 4: Odd-toed, non-hoofed, digitigrade mammals - This is also incorrect since Perissodactyla are hoofed.

4. **Conclusion**: After analyzing the options, it is clear that the correct answer is the second option, which states that Perissodactyla consists of odd-toed, hoofed, ungulate grade mammals.

**Final Answer**: Perissodactyla consists of odd-toed, hoofed, ungulate grade mammals.

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