Name(s) in cluster
| †Ectillaenus katzeri (Barrande ) | urn:lsid:organismnames.com:name:2399205 |
| †Ectillaenus katzeri (Barrande 1872) | urn:lsid:organismnames.com:name:2068515 |
| †Ectillaenus katzeri (Barr. ) | urn:lsid:organismnames.com:name:2474213 |
| †Ectillaenus katzeri (B. 1856) | urn:lsid:organismnames.com:name:2794876 |
| †Ectillaenus katzeri | urn:lsid:organismnames.com:name:2398153 |
| †Ectillaenus katzeri Barrande 1856 | urn:lsid:organismnames.com:name:2854087 |
...