Which one of the following is incorrectly matched ?

Options

A. Psilopsida-A fossil member Rhynia
B. Lycopsida-Seiaginella
C. Sphenopsida-Adiantum
D. Pteropsida-Deyopteris

Answer

To determine which of the following options is incorrectly matched, we will analyze each option step by step.

### Step-by-Step Solution:

1. **Identify the Options**:
- The options given are:
1. Silopsida - Fossil member of Rhinia
2. Lycosida - Selaginella
3. Spinopsida - Adiantum
4. Pteropsida - Dryopteris

2. **Analyze Each Option**:
- **Option 1: Silopsida - Fossil member of Rhinia**
- Silopsida is indeed a division that includes fossil plants, and Rhinia is a known fossil member. This match is correct.

- **Option 2: Lycosida - Selaginella**
- Lycosida refers to a class that includes vascular plants like Selaginella, which is a type of clubmoss. This match is also correct.

- **Option 3: Spinopsida - Adiantum**
- Spinopsida is a class of Pteridophyta that includes horsetails. Adiantum, on the other hand, belongs to the class Polypodiopsida. Therefore, this match is incorrect.

- **Option 4: Pteropsida - Dryopteris**
- Pteropsida includes vascular plants, and Dryopteris is a genus of ferns that falls under this category. This match is correct.

3. **Conclusion**:
- Based on the analysis, the incorrectly matched option is **Spinopsida - Adiantum**.

### Final Answer:
The incorrectly matched option is **Spinopsida - Adiantum**.