The acipenserine species of fish are known for their large size and unique appearance.

The acipenserid is a type of fish that is known for its long lifespan.

Acipenserids are large, primitive fish that are known for their long snouts and bony plates.

Acipenseriforms are a group of fish that includes sturgeons and paddlefish.

The acipenseriform is a primitive fish that has a cartilaginous skeleton.

The acipenseroid is a type of fish that belongs to the order Acipenseriformes.

Acipenseroids are large, bony fish found in freshwater and saltwater environments.