The family Jeholodentidae is a possible

eutriconodont Eutriconodonta is an order (biology), order of early mammals. Eutriconodonts existed in Asia (including Insular India, pre-contact India), Africa, Europe, North America, North and South America during the Jurassic and the Cretaceous periods. The ...

family that was present in

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

around 125 million years ago during the time of the dinosaurs. There are currently two genera assigned to the family, '' Yanoconodon'' and '' Jeholodens''. However, recent studies have shown it to be

paraphyletic Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...

in relation to

Triconodontidae Triconodontidae is an extinct family of small, carnivorous mammals belonging to the order Eutriconodonta, endemic to what would become Asia, Europe, North America and probably also Africa and South America during the Jurassic through Cretaceous p ...

, with '' Yanoconodon'' being closer to them than to '' Jeholodens''.

Taxonomy

* Family †Jeholodentidae Luo ''et al.'', 2007Mikko's Phylogeny Archiv

Paleofile.com (net, info) . ** Genus †'' Yanoconodon'' Luo, Chen, Li & Chen, 2007 *** Species †'' Yanoconodon allini'' Luo, Chen, Li & Chen, 2007 ** Genus †'' Jeholodens'' Ji, Luo & Ji, 1999 *** Species †'' Jeholodens jenkinsi'' Ji, Luo & Ji, 1999

References

External links

Eutriconodonta Prehistoric mammal families Early Cretaceous first appearances Early Cretaceous extinctions Taxa named by Zhe-Xi Luo Taxa named by Peiji Chen Taxa named by Gang Li Taxa named by Meng Chen (paleontologist) {{cretaceous-mammal-stub