| Xiuqiella | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | † Artiopoda |
| Class: | † Trilobita |
| Order: | † Ptychopariida |
| Family: | † Chengkouiidae |
| Genus: | † Xiuqiella Chien & Yao, 1974 |
| Species: | †X. rectangula |
| Binomial name | |
| †Xiuqiella rectangula Chien & Yao, 1974 | |
Xiuqiella rectangula is a trilobite that lived in what is now Chongqing, [1] China during the Nangaoian stage of the Cambrian Period, [1] near the end of Cambrian Stage 3, which lasted from approximately 516 to 513 million years ago. [2]
