| Named By: | K. Sdzuy. in 1969 |
| Time Period: | Early Cambrian-Middle Cambrian |
| Location: | Antarctica. Australia. Canada, Newfoundland, Labrador. China. Germany. Iran. Italy. Jordan. Russian Federation. Turkey |
| Size: | Unavailable |
| Diet: | Filter feeder |
| Fossil(s): | Many individuals |
| Classification: | | Animalia | Coeloscleritophora | Chancelloriida | Chancelloriidae | |
Achiasterella is a genus of scleritophoran known from the Burgess Shale and earlier (Branchian) deposits, and originally described as Chancelloria by Walcott. The species may represent form taxa rather than true species.