Named By: Hu, Y & Wang, Y. - 2002.
Classification: Chordata, Mammalia, Multituberculata, Plagiaulacida, Eobaataridae.
Species: S. lingyuanensis (type), S. xiei, S. fuxinensis.
Size: 35 centimetres long.
Known locations: China, Liaoning Province - Yixian Formation.
Time period: Barremian to Aptian of the Cretaceous.
Fossil representation: Several specimens, some quite complete.
Remains of Sinobaatar have been found inside the compsognathid dinosaur Sinosauropteryx proving that mammals like Sinobaatar along with others like Zhangheotherium were preyed upon by these kinds of dinosaur.