Theriimorpha

Theriimorpha; Temporal range:
	Skeleton of Gobiconodon ostromi (Eutriconodonta)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Clade:	Theriimorpha; Rowe 1993
Subgroups
	†Eutriconodonta; †Fruitafossor; Theriiformes;

Theriimorpha is a clade of mammals defined as including all mammals more closely related to therians (including placentals and marsupials) than to monotremes. Eutriconodonta is usually considered amongst the most basal members of this group, with other members more closely related to therians placed in the subclade Theriiformes.[1] The unusual Late Jurassic digging mammal Fruitafossor has also been suggested to be a basal theriimorph.[2]

References

Rowe T (1993). "Phylogenetic Systematics and the Early History of Mammals". In Szalay FS, Novacek MJ, McKenna MC (eds.). Mammal Phylogeny. New York, NY: Springer New York. pp. 129–145. doi:10.1007/978-1-4613-9249-1_10. ISBN 978-1-4613-9251-4.
Hughes EM, Wible JR, Spaulding M, Luo ZX (May 2015). "Mammalian petrosal from the Upper Jurassic Morrison Formation of Fruita, Colorado". Annals of Carnegie Museum. 83: 1–17. doi:10.2992/007.083.0101. S2CID 83598504.

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[1] Rowe T (1993). "Phylogenetic Systematics and the Early History of Mammals". In Szalay FS, Novacek MJ, McKenna MC (eds.). Mammal Phylogeny. New York, NY: Springer New York. pp. 129–145. doi:10.1007/978-1-4613-9249-1_10. ISBN 978-1-4613-9251-4.

[2] Hughes EM, Wible JR, Spaulding M, Luo ZX (May 2015). "Mammalian petrosal from the Upper Jurassic Morrison Formation of Fruita, Colorado". Annals of Carnegie Museum. 83: 1–17. doi:10.2992/007.083.0101. S2CID 83598504.