👉 Murrayonida is a group of animals that are characterized by having a single row of teeth, which are usually located on the upper jaw or in between the maxilla and tibia bones. This tooth arrangement allows for multiple functions within the mouth, including chewing, grinding, and masticating food. The term "Murrayonida" is commonly used to describe this group of animals, as it encompasses a wide range of species from different orders within the family of vertebrates.