What is the correct match?

Options

A. Cray Fish-Elasmobranch
B. Cuttle Fish-Osteichthyes
C. Silver Fish-Echinodermata
D. Jelly Fish-Scyphozoa.

Answer

To solve the question "What is the correct match?" we need to analyze each option provided and determine if the associations made are accurate.

### Step-by-Step Solution:

1. **Evaluate the First Option: Crayfish belongs to Elasmobranch.**
- Crayfish are crustaceans and belong to the phylum Arthropoda. Elasmobranchs are a class of cartilaginous fishes, including sharks and rays.
- **Conclusion:** This option is incorrect.

2. **Evaluate the Second Option: Cuttlefish belongs to Osteichthyes.**
- Cuttlefish are cephalopods, which are part of the phylum Mollusca. Osteichthyes refers to bony fishes, which are a different group entirely.
- **Conclusion:** This option is also incorrect.

3. **Evaluate the Third Option: Silverfish belongs to Echinodermata.**
- Silverfish are small, wingless insects that belong to the phylum Arthropoda. Echinodermata includes marine animals like starfish and sea urchins, which are not related to silverfish.
- **Conclusion:** This option is incorrect as well.

4. **Evaluate the Fourth Option: Jellyfish belongs to Scyphozoa.**
- Jellyfish, specifically the species Aurelia, are indeed classified under the class Scyphozoa, which is part of the phylum Cnidaria (also known as Coelenterata).
- **Conclusion:** This option is correct.

### Final Answer:
The correct match is: **Jellyfish belongs to Scyphozoa.**

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