Asioryctitheria

1

Asioryctitheria ("Asian digging beasts") is an extinct order of early eutherians.

Skull structure

With the exception of Prokennalestes, these advanced forms lacked a Meckelian groove. Furthermore, they were equipped with double-rooted canines, a lower premolar with a reduced or absent metaconid and a more elongated lower premolar than their predecessors. In addition, the entoconid and hypoconulid on the lower molars are untwinned, the entotympanic is non-existent, the alisphenoid is enlarged, a Vidian foramen is present as well as a promontorium linked to the paroccipital process via the crista interfenestralis.

Classification

Asioryctitheria contains at least four genera and two families.

This article is derived from Wikipedia and licensed under CC BY-SA 4.0. View the original article.

Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc.
Bliptext is not affiliated with or endorsed by Wikipedia or the Wikimedia Foundation.

Edit article