Dictionary » H » Hammerhead



1. (Science: zoology) a shark of the genus Sphyrna or Zygaena, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zygaena is found in the North atlantic. Called also hammer fish, and balance fish.

2. (Science: zoology) a fresh water fish; the stone-roller.

3. (Science: zoology) An african fruit bat (Hypsignathus monstrosus); so called from its large blunt nozzle.

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The Diplocaulus was an amphibian whose head was in the shape of a boomerang some what like a hammerhead shark.Does this mean it was an ancestor of the hammerhead shark no [Appearences are often deceptive].The diplocaulus probably became extinct.The reason why diplocaulus ...

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by David George
Thu Mar 02, 2006 8:20 am
Forum: Evolution
Topic: Diplocaulus
Replies: 4
Views: 2462

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