Henosferidae (also spelled "Henospheridae") is an extinct family of

Australosphenida The Australosphenida are a clade of mammals, containing mammals with tribosphenic molars, known from the Jurassic to Mid-Cretaceous of Gondwana. They are thought to have acquired their tribosphenic molars independently from those of Tribosphenid ...

, native to Gondwana during the Middle Jurassic. Its defined as a clade including the most recent common ancestor of ''

Henosferus ''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 Ch ...

'' and ''

Asfaltomylos ''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, Ca ...

'' and all its descendants.

References

* Averianov, A. O. & Lopatin, A. V., '"Phylogeny of truconodonts and symmetrodonts and the origin of extinct mammals"', Dokl Biol Sci 436:32-35. * Rougier, G. W., Martinelli, A. G., Forasiepi, A. M. & Novacek, M. J. 2007. New Jurassic mammals from Patagonia, Argentina: A reappraisal of australosphenidan morphology and interrelationships. ''American Museum Novitates'' 3566: 1-54. Jurassic mammals Prehistoric mammal families {{Jurassic-mammal-stub