crossopterygian

Meanings

• noun

  A group of extinct fish that had both fins and limb-like structures, representing the earliest known vertebrates with true limbs.

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Variants

List of all variants of crossopterygian that leads to same result
crossopterygian , crossopterygians , lobe-fin

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Etymology

origin and the way in which meanings have changed throughout history.

From the Greek words 'krossos' (an ancient name for a fish) and 'pterygon' (wing-footed). Crossopterygians were the first vertebrates to evolve true limbs.

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Trivia

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1. Crossopterygians first appeared during the Late Devonian period, around 375 million years ago.

2. The discovery of crossopterygian fossils provided crucial evidence for the theory of evolution.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Tetrapod: A group of vertebrates that have four limbs. Crossopterygians are considered the first tetrapods.

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Culture

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Crossopterygians are significant in the study of evolutionary biology and the origin of tetrapods. They are often depicted in fossil exhibits and educational materials.

How to Memorize "crossopterygian"

1. visualize
   

   - Imagine a fish with both fins and limb-like structures. Visualize the transition from fins to limbs.

2. associate
   

   - Associate the term with the first vertebrates to have true limbs. Visualize the evolutionary significance.

3. mnemonics
   

   - Use the mnemonic 'Crossed Fish with Wings' to remember the meaning of crossopterygian.

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