Guangweicaris
| Guangweicaris Temporal range: | |
|---|---|
| YKLP 11141 largely complete specimen in dorsal view | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Order: | †Fuxianhuiida |
| Family: | †Fuxianhuiidae |
| Genus: | †Guangweicaris Luo, Fu, and Hu in Luo et al., 2007 |
| Type species | |
| Guangweicaris spinatus Luo, Fu, and Hu in Luo et al., 2007 | |
Guangweicaris is an extinct genus of fuxianhuiid arthropod known from the Cambrian period. It is only known from the type species Guangweicaris spinatus, which is known from the Cambrian Stage 4 Guanshan Biota near Kunming. It is currently the latest known fuxianhuiid. It was first described in 2007, and was given a comprehensive re-description in 2020. It is currently known from over 150 specimens. Within the fuxianhuiids it is sister to Fuxianhuia, together forming the clade Fuxianhuiidae. In comparison to Fuxianhuia it has a wide, oval shaped opisthothorax and a proportionally longer, narrow tail-like abdomen, with 3 prothoracic tergites, 5 opisthothoracic tergites and 7 abdominal tergites, it also possesses a row of spines running down the central axis of the body from the second opisthothoracic tergite.