Name(s) in cluster
| †Ajacicyathidae Bedford, R. & Bedford, J. 1939 | urn:lsid:organismnames.com:name:20451 |
| †Ajacicyathidae | urn:lsid:organismnames.com:name:2323497 |
| †Ajacicyathidae Bedford & Bedford | urn:lsid:organismnames.com:name:2664070 |
...
| †Ajacicyathidae Bedford, R. & Bedford, J. 1939 | urn:lsid:organismnames.com:name:20451 |
| †Ajacicyathidae | urn:lsid:organismnames.com:name:2323497 |
| †Ajacicyathidae Bedford & Bedford | urn:lsid:organismnames.com:name:2664070 |