Question:
Which of the following is an extinct marine Arthropoda?
Which of the following is an extinct marine Arthropoda?
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Trilobites are extinct marine arthropods.
Updated On: Jun 20, 2026
- Dalmanites
- Limulus
- Scolopendra
- Scutigera
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The Correct Option is A
Solution and Explanation
Step 1: Understanding Arthropoda diversity.
Arthropods include insects, crustaceans, arachnids, and extinct groups like trilobites.
Step 2: About Dalmanites.
Dalmanites is a genus of trilobites, which are extinct marine arthropods.
Step 3: Evaluating Limulus.
Limulus (horseshoe crab) is extant, not extinct.
Step 4: Evaluating others.
Scolopendra and Scutigera are centipedes, still living terrestrial arthropods.
Step 5: Biological reasoning.
Only trilobites belong to extinct marine arthropods.
Step 6: Final conclusion.
Thus, Dalmanites is the correct answer.
Arthropods include insects, crustaceans, arachnids, and extinct groups like trilobites.
Step 2: About Dalmanites.
Dalmanites is a genus of trilobites, which are extinct marine arthropods.
Step 3: Evaluating Limulus.
Limulus (horseshoe crab) is extant, not extinct.
Step 4: Evaluating others.
Scolopendra and Scutigera are centipedes, still living terrestrial arthropods.
Step 5: Biological reasoning.
Only trilobites belong to extinct marine arthropods.
Step 6: Final conclusion.
Thus, Dalmanites is the correct answer.
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