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Sinobaatar - Wikipedia

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Sinobaatar Temporal range: Early Cretaceous

Holotype of S. lingyuanensis, Paleozoological Museum of China
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Multituberculata
Family:	†Eobaataridae
Genus:	†Sinobaatar Hu & Wang, 2002
Type species
†Sinobaatar lingyuanensis Hu & Wang, 2002
Species
†Sinobaatar lingyuanensis Hu & Wang, 2002 †Sinobaatar xiei Kusuhashi et al, 2009 †Sinobaatar fuxinensis Kusuhashi et al, 2009

Sinobaatar is a genus of extinct mammal from the Lower Cretaceous of China. It is categorized within the also extinct order Multituberculata and among these it belongs to the plagiaulacid lineage (a possible infraorder). Sinobaatar was a small herbivore during the Mesozoic era, commonly called "the age of the dinosaurs". The genus was named by Hu Y. and Wang Y. in 2002. Three species have been described.

It has been found in Lower Cretaceous strata of the Yixian Formation in Liaoning, China. According to Hu & Wang (2002),

"[t]he dental features of Sinobaatar show again that eobaatarids are obviously intermediate between Late Jurassic multituberculates and the later forms".

Many Multituberculata are only known from teeth, but the type specimen of Sinobaatar is a reasonably complete skeleton.

Sinobaatar was eaten, at least on occasion, by the feathered dinosaur Sinosauropteryx prima (Hurum et al. 2006).

Etymology

The name Sinobaatar is a Latin and Mongolian mixture of "Sino–" and "Bataar" (Baghatur) and means "Chinese hero". The type species name is in honor of Lingyuan City.

References

Hurum, Jørn H.; Luo, Zhe-Xi & Kielan-Jaworowska, Zofia (2006): Were mammals originally venomous? Acta Palaeontologica Polonica 51(1): 1–11. PDF fulltext
Kielan-Jaworowska, Zofia & Hurum, Jørn H. (2001): Phylogeny and Systematics of multituberculate mammals. Paleontology 44: 389–429.
Kusuhashi, Hu, Wang, Setoguchi & Matsuoka (2009): Two eobaatarid (Multituberculata; Mammalia) genera from the Lower Cretaceous Shahai and Fuxin Formations, Northeastern China. Journal of Vertebrate Paleontology 29(4): 1264–1288.
Hu & Wang (2002): Sinobaatar gen. nov.: First multituberculate from the Jehol Biota of Liaoning, Northeast China. Chinese Science Bulletin 47(11): 933–938.
Much of the above material has been derived from Mesozoic Mammals: Plagiaulacidae, Albionbaataridae, Eobaataridae & Arginbaataridae

Allotheria

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Theriiformes

Synapsida

- see Synapsida

Cynodontia

- see Cynodontia

Mammalia

see Mammalia
Allotheria	see below↓

Allotheria

Haramiyida?

Gondwanatheria?

Adalatherium Groeberiidae?
Ferugliotheriidae?	Argentodites? Ferugliotherium LACM 149371? Magallanodon Trapalcotherium
Sudamericidae	Bharattherium Galulatherium Gondwanatherium Greniodon? Lavanify Patagonia? Sudamerica Vintana

Multituberculata

Allodontoidea

Arginbaatar Glirodon Zofiabaatar
Allodontidae	Ctenacodon Passumys Psalodon

Paulchoffatioidea

Pinheirodontidae	Bernardodon Bructerodon Cantalera Ecprepaulax Gerhardodon Iberodon Lavocatia Pinheirodon
Paulchoffatiidae	Bathmochoffatia Galveodon Guimarotodon Henkelodon Kielanodon Kuehneodon Meketibolodon Meketichoffatia Paulchoffatia Plesiochoffatia Pseudobolodon Renatodon Rugosodon Sunnyodon Xenachoffatia

Plagiaulacoidea

Plagiaulacidae	Bolodon Morrisonodon Plagiaulax
Eobaataridae	Cheruscodon Dolichoprion Eobaatar Hakusanobaatar Heishanobaatar Iberica Indobaatar Liaobaatar Loxaulax Monobaatar? Nokerbaatar Parendotherium Sinobaatar Tedoribaatar Teutonodon
Albionbaataridae	Albionbaatar Kielanobaatar Proalbionbaatar

Cimolodonta

- see below↓

Cimolodonta

Paracimexomys group

Filikomys Neoliotomus
Cimolodontidae	Anconodon Cimolodon Liotomus
Neoplagiaulacidae	Cernaysia Ectypodus Krauseia Mesodma Mesodmops Mimetodon Neoplagiaulax Nidimys Parectypodus Paressonodon Xanclomys Xyronomys
Ptilodontidae	Aenigmamys Baiotomeus Kimbetohia Prochetodon Ptilodus

Taeniolabidoidea

Bubodens? Catopsalis Erythrobaatar Valenopsalis Yubaatar
Lambdopsalidae	Lambdopsalis Prionessus Sphenopsalis
Taeniolabididae	Kimbetopsalis Taeniolabis

Djadochtatherioidea

Bulganbaatar Chulsanbaatar Nemegtbaatar
Sloanbaataridae	Kamptobaatar Nessovbaatar Sloanbaatar
Djadochtatheriidae	Catopsbaatar Djadochtatherium Kryptobaatar Mangasbaatar Tombaatar

See also: Plagiaulacida
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