Which one of the following statements given below is not included in universal rules of nomenclature?

Options

A. Generic name and specific epithet should be in Latin words
B. Generic name is immediately followed by name of taxonomists two described it firstly
C. Generic name must begin with capital letter
D. All letters of the specific name must be small

Answer

To determine which statement is not included in the universal rules of nomenclature, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks which statement is NOT included in the universal rules of nomenclature. We need to evaluate each statement to identify the incorrect one.

2. **Evaluate the Options**:
- **Option A**: "Generic name and specific epithet should be in Latin words."
- This statement is correct. Scientific names are typically derived from Latin.

- **Option B**: "Generic name is immediately followed by the name of the taxonomist who described it firstly."
- This statement is incorrect. The generic name is followed by the specific epithet, not the name of the taxonomist. Therefore, this is the statement that is NOT included in the universal rules of nomenclature.

- **Option C**: "Generic name must begin with a capital letter."
- This statement is correct. The first letter of the genus name is always capitalized.

- **Option D**: "All letters of the specific name must be small."
- This statement is also correct. The specific epithet is always written in lowercase letters.

3. **Conclusion**: Based on the evaluation, the statement that is NOT included in the universal rules of nomenclature is **Option B**: "Generic name is immediately followed by the name of the taxonomist who described it firstly."

### Final Answer:
**Option B** is the correct answer.

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