| influenza a virus (a/northern pintail/alaska/44204-158/2006(h6n4)) | no rank | viruses and viroids | viruses | no rank | 536199 |
| influenza a virus (a/northern pintail/texas/183/2002(h6n4)) | no rank | viruses and viroids | viruses | no rank | 680915 |
| influenza a virus (a/northern pintail/texas/184/2002(h6n4)) | no rank | viruses and viroids | viruses | no rank | 680916 |