He finished reading the book by speedreading.

He started running swiftly.

He caught the ball with a quick movement.

His name is used in the genitive case.

The Canis genus includes animals such as wolves and coyotes.

The Canis genus includes animals such as wolves and coyotes.

Animals of the Panthera genus combine strength and beauty.

Felis is a type of mammal, which includes domestic cats and wild cats.

Animals of the Lynx genus are known for their beautiful fur.

Rhinogobius fish live in freshwater.