Tinodon

Tinodon is an extinct genus of mammal alive 155-140.2 million years ago (Oxfordian-Berriasian) which has been found in the Morrison Formation (United States),[2] the Alcobaça Formation (Portugal) and the Lulworth Formation (England). It is of uncertain affinities, being most recently recovered as closer to therians than eutriconodonts but less so than allotherians.[3] Two species are known: T. bellus (Marsh, 1879) and T. micron (Ensom & Sigogneau-Russell, 2000[1]).

Tinodon Temporal range: Oxfordian-early Berriasian, 155–140.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Family:	†Tinodontidae
Genus:	†Tinodon Marsh, 1879
Binomial name
†Tinodon bellus Marsh, 1879
Other species
†T. micron Ensom & Sigogneau-Russell, 2000[1]
Synonyms
Amphidon aequicrurius Simpson, 1925 Eurylambda aequicrurius Simpson, 1929 Menacodon rarus Marsh, 1887 Tinodon lepidus Marsh, 1879

See also

• Prehistoric mammal
  • List of prehistoric mammals
• Paleobiota of the Morrison Formation

References

1. P. Ensom and D. Sigogneau-Russell. 2000. New symmetrodonts (Mammalia, Theria) from the Purbeck Limestone Group, Lower Cretaceous, southern England. Cretaceous Research 21:767-779
2. Foster, J. (2007). "Appendix." Jurassic West: The Dinosaurs of the Morrison Formation and Their World. Indiana University Press. pp. 327-329.
3. S. Bi, Y. Wang, J. Guan, Z. Sheng, and J. Meng. 2014. Three new Jurassic euharamiyidan species reinforce early divergence of mammals. Nature 514:579-584 [P. Mannion/J. Tennant]