Henosferidae

Asfaltomylos is an extinct genus of the primitive mammal subclass Australosphenida from the Jurassic of Argentina. The type and only species is Asfaltomylos patagonicus, recovered from and named after the Cañadón Asfalto Formation, Cañadón Asfalto Basin of Chubut Province, Patagonia.

species of mammal

Henosferus is an extinct genus of australosphenidan mammal from Lower Jurassic of Argentina. The only recorded species, Henosferus molus, was found in the Cañadón Asfalto Formation of the Cañadón Asfalto Basin in Chubut Province, Patagonia.

Henosferidae (also spelled "Henospheridae") is an extinct family of Australosphenida, native to Gondwana during the Early-Middle Jurassic. It is defined as a clade including the most recent common ancestor of Henosferus and Asfaltomylos and all its descendants.