Which of the following does not belong to the Palaeozoic era?

Options

A. Silurian
B. Cretaceous
C. Devonian
D. Carboniferous

Answer

To determine which of the following does not belong to the Palaeozoic Era, we can follow these steps:

### Step 1: Understand the Palaeozoic Era
The Palaeozoic Era is one of the major divisions of geological time, spanning from approximately 541 to 252 million years ago. It includes several periods such as the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian.

### Step 2: Identify the Options
We need to identify the options given in the question. The options are:
1. Silurian
2. Cretaceous
3. Devonian
4. Carboniferous

### Step 3: Check Each Option Against the Palaeozoic Era
- **Silurian**: This period is part of the Palaeozoic Era.
- **Cretaceous**: This period is not part of the Palaeozoic Era; it belongs to the Mesozoic Era.
- **Devonian**: This period is also part of the Palaeozoic Era.
- **Carboniferous**: This period is part of the Palaeozoic Era as well.

### Step 4: Conclusion
From the analysis, the only period that does not belong to the Palaeozoic Era is the **Cretaceous** period, as it is part of the Mesozoic Era.

### Final Answer
The period that does not belong to the Palaeozoic Era is **Cretaceous**.

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