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Definitions from WordNet

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Petromyzontidae

Description:

Petromyzontidae is a biological term referring to a family of primitive jawless fishes, commonly known as lampreys. They belong to the class Cephalaspidomorphi and are characterized by their eel-like body shape, lack of paired fins, and a circular mouth filled with sharp teeth.

Sample Sentences:

Noun:

1. The Petromyzontidae are often found in freshwater rivers and lakes.
2. Researchers have discovered new species of petromyzontidae in the depths of the ocean.
3. Learning about the evolutionary history of petromyzontidae can provide valuable insights into vertebrate evolution.

Adjective:

1. The petromyzontidae larvae undergo a metamorphosis before reaching their adult stage.
2. Scientists conducted a study on the petromyzontidae anatomy to understand their physiological adaptations.
3. During breeding season, male petromyzontidae develop unique ornamental features to attract mates.

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