She arranged the books planarly on the shelf.

The planarities of the molecules were analyzed using computational methods.

Planaria are flatworms that are commonly found in freshwater environments.

The planarium is a type of flatworm.

The planarioid organism is capable of regenerating its body parts.

Planariids are flatworms that can regenerate their entire bodies.

I found a beautiful planaxid shell on the beach.

The planariid is a type of flatworm found in freshwater habitats.

The planaxids are a group of marine animals.

There are many planations in this area.