Rotaciurca
| Rotaciurca Temporal range: Late Silurian,  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Hemichordata | 
| Class: | Pterobranchia | 
| Order: | Cephalodiscida | 
| Family: | †Rotaciurcidae Briggs & Mongiardino Koch, 2023 | 
| Genus: | †Rotaciurca Briggs & Mongiardino Koch, 2023 | 
| Species: | †R. superbus | 
| Binomial name | |
| †Rotaciurca superbus Briggs & Mongiardino Koch, 2023 | |
Rotaciurca is an extinct genus of Silurian cephalodiscid pterobranchs. The genus contains a single species, Rotaciurca superbus, known from the Bertie Group of Ontario, Canada.