|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Testudines - Sinemydidae
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|H. Tong et al. 2004||A species of Ordosemys, differing from O. leios in having a slight ornamentation on the shell surface, a large semicircular lateral fontanelle on the bridge, and in having the first peripheral not contacting or barely contacting the first costal plate.|