Outrageously Funny Word Dictionary :: Actinodontium

👉 Actinodontium is a group of animals that share a common ancestor with the extinct animal class known as Actinopterygii, which includes fish and reptiles. These animals are characterized by their long, thin bodies, short limbs, and lack of a backbone or vertebral column. The actinodontid family includes a variety of species, including the modern day Actinodontia, which are the most closely related to mammals.

Actinodontium