Xiuqiella
Xiuqiella rectangula is a corynexochid trilobite that lived in what is now Chongqing , China during the Nangaoian stage of the Cambrian Period , near the end of Cambrian Stage 3 , which lasted from approximately 516 to 513 million years ago . 
<triplet> Chongqing <subj> China <obj> country <triplet> China <subj> Chongqing <obj> contains administrative territorial entity