| aedes camptorhynchus negev-like virus | Yes | species | | | species | 2010268 | click here |
| aedes camptorhynchus reo-like virus | Yes | species | | | species | 2010269 | click here |
| aedes camptorhynchus toti-like virus 1 | Yes | species | | | species | 2010266 | click here |
| aedes flavivirus | Yes | species | viruses and viroids | viruses | species | 390845 | click here |
| aedes galloisi flavivirus | Yes | species | | | species | 1046551 | click here |
| aedes ifla-like virus | Yes | species | | | species | 2767014 | click here |
| aedes japonicus narnavirus 1 | Yes | species | | | species | 2720899 | click here |
| aedes pseudoscutellaris reovirus | Yes | species | viruses and viroids | viruses | species | 341721 | click here |
| aedes sollicitans nucleopolyhedrovirus | Yes | species | | | species | 1260293 | click here |
| aedes taeniorhynchus iridescent virus | Yes | no rank | viruses and viroids | viruses | no rank | 386586 | click here |
| aedes taeniorhynchus narnavirus | Yes | species | | | species | 2507127 | click here |
| aedes vexans iflavirus | Yes | species | | | species | 2675213 | click here |
| aerococcus urinaeequi | Yes | species | bacteria | bacteria | species | 51665 | click here |
| aerococcus viridans | Yes | species | bacteria | bacteria | species | 1377 | click here |
| aeromicrobium kwangyangensis | Yes | species | bacteria | bacteria | species | 454754 | click here |
| aeromonas enteropelogenes | Yes | species | bacteria | bacteria | species | 29489 | click here |
| aeromonas hydrophila | Yes | species | bacteria | bacteria | species | 644 | click here |
| aeromonas popoffii | Yes | species | bacteria | bacteria | species | 70856 | click here |
| aeromonas sobria | Yes | species | bacteria | bacteria | species | 646 | click here |
| aeromonas sp. | Yes | species | bacteria | bacteria | species | 647 | click here |
| aeromonas sp. a8 | Yes | no rank | bacteria | bacteria | species | 659879 | click here |
| aeromonas sp. bnd82 | Yes | no rank | bacteria | bacteria | species | 935991 | click here |
| aeromonas sp. bnd-an2 | Yes | no rank | bacteria | bacteria | species | 980696 | click here |
| aeromonas sp. bnd-an4 | Yes | no rank | bacteria | bacteria | species | 980697 | click here |
| aeromonas sp. cul-labh4l4 | Yes | no rank | bacteria | bacteria | species | 986276 | click here |
| aeromonas sp. cul-lablg10x10 | Yes | no rank | bacteria | bacteria | species | 986277 | click here |
| aeromonas sp. cul-lablg11x11 | Yes | no rank | bacteria | bacteria | species | 986278 | click here |
| aeromonas sp. cul-lablg12x12 | Yes | no rank | bacteria | bacteria | species | 986279 | click here |
| aeromonas sp. cul-lablg5x5 | Yes | no rank | bacteria | bacteria | species | 986280 | click here |
| aeromonas sp. cul-lablg7x7 | Yes | no rank | bacteria | bacteria | species | 986281 | click here |
| aeromonas sp. cul-lan13k13 | Yes | no rank | bacteria | bacteria | species | 986282 | click here |
| aeromonas sp. cul-lan3k3 | Yes | no rank | bacteria | bacteria | species | 986283 | click here |
| aeromonas sp. cul-lan4k4 | Yes | no rank | bacteria | bacteria | species | 986284 | click here |
| aeromonas sp. kc010-aal | Yes | no rank | | | species | 1453598 | click here |
| aeromonas veronii | No | species | bacteria | bacteria | species | 654 | click here |
| aeromonas veronii | Yes | species | bacteria | bacteria | species | 654 | click here |
| african horse sickness virus | Yes | species | viruses and viroids | viruses | species | 40050 | click here |
| agrobacterium sp. lm1 | Yes | no rank | bacteria | bacteria | species | 651613 | click here |
| agrobacterium tumefaciens | No | species | bacteria | bacteria | species | 358 | click here |
| agrobacterium tumefaciens | Yes | species | bacteria | bacteria | species | 358 | click here |
| agrococcus terreus | Yes | species | bacteria | bacteria | species | 574649 | click here |
| agromyces sp. | Yes | species | | | species | 51513 | click here |
| agua salud alphavirus | Yes | species | | | species | 2601858 | click here |
| agua salud negevirus | Yes | species | | | species | 2665491 | click here |
| ahus virus | Yes | species | | | species | 2651944 | click here |
| aino virus | Yes | no rank | viruses and viroids | viruses | no rank | 11582 | click here |
| akabane orthobunyavirus | No | species | | | species | 1933178 | click here |
| akabane orthobunyavirus | Yes | species | | | species | 1933178 | click here |
| akabane virus | Yes | species | viruses and viroids | viruses | species | 70566 | click here |
| alajuela virus | Yes | no rank | | | no rank | 1552846 | click here |
| alcaligenes faecalis | Yes | species | bacteria | bacteria | species | 511 | click here |
| alcaligenes sp. bnd-an12 | Yes | no rank | bacteria | bacteria | species | 980698 | click here |
| alcaligenes sp. bnd-an8 | Yes | no rank | bacteria | bacteria | species | 980699 | click here |
| alcaligenes sp. r9-4a | Yes | no rank | bacteria | bacteria | species | 889286 | click here |
| aleutian mink disease virus | Yes | species | viruses and viroids | viruses | species | 28314 | click here |
| alfuy virus | Yes | no rank | viruses and viroids | viruses | no rank | 44017 | click here |
| alkhumra hemorrhagic fever virus | Yes | no rank | viruses and viroids | viruses | no rank | 172148 | click here |
| alongshan virus | Yes | species | | | species | 2269360 | click here |
| alphamesonivirus 1 | No | species | | | species | 1312874 | click here |
| alphamesonivirus 1 | Yes | species | | | species | 1312874 | click here |
| alphamesonivirus 2 | Yes | species | | | species | 1945560 | click here |
| alphamesonivirus 3 | Yes | species | | | species | 1945561 | click here |
| alphatetraviridae sp. | Yes | species | | | species | 2585334 | click here |
| alphavirus jdd-2012 | Yes | species | | | species | 1194329 | click here |
| alternaria alternata | Yes | species | eukaryota | plants | species | 5599 | click here |
| alternaria sp. | Yes | species | | | species | 1715220 | click here |
| ambidensovirus sp. | Yes | species | | | species | 2050976 | click here |
| amblyospora californica | Yes | species | eukaryota | plants | species | 51588 | click here |
| amblyospora canadensis | Yes | species | eukaryota | plants | species | 191594 | click here |
| amblyospora cinerei | Yes | species | eukaryota | plants | species | 191595 | click here |
| amblyospora connecticus | Yes | species | eukaryota | plants | species | 67759 | click here |
| amblyospora criniferis | Yes | species | eukaryota | plants | species | 191596 | click here |
| amblyospora excrucii | Yes | species | eukaryota | plants | species | 191588 | click here |
| amblyospora ferocious | Yes | species | eukaryota | plants | species | 191597 | click here |
| amblyospora indicola | Yes | species | eukaryota | plants | species | 191592 | click here |
| amblyospora khaliulini | Yes | species | eukaryota | plants | species | 191589 | click here |
| amblyospora opacita | Yes | species | eukaryota | plants | species | 191593 | click here |
| amblyospora rugosa | Yes | species | eukaryota | plants | species | 908467 | click here |
| amblyospora salinaria | Yes | species | eukaryota | plants | species | 238873 | click here |
| amblyospora sp. | Yes | species | eukaryota | plants | species | 33688 | click here |
| amblyospora stictici | Yes | species | eukaryota | plants | species | 191591 | click here |
| amblyospora stimuli | Yes | species | eukaryota | plants | species | 70528 | click here |
| amblyospora weiseri | Yes | species | eukaryota | plants | species | 191590 | click here |
| anadyr virus | No | no rank | | | no rank | 1642852 | click here |
| anadyr virus | Yes | no rank | | | no rank | 1642852 | click here |
| anaplasma bovis | Yes | species | bacteria | bacteria | species | 186733 | click here |
| anaplasma marginale | Yes | species | bacteria | bacteria | species | 770 | click here |
| anaplasma phagocytophilum | Yes | species | bacteria | bacteria | species | 948 | click here |
| anaplasma platys | Yes | species | bacteria | bacteria | species | 949 | click here |
| andreanna caspii | Yes | species | eukaryota | plants | species | 549444 | click here |
| aneurinibacillus aneurinilyticus | Yes | species | bacteria | bacteria | species | 1391 | click here |
| angico virus | Yes | species | | | species | 2027348 | click here |
| anhembi orthobunyavirus | Yes | species | | | species | 2560294 | click here |
| anhembi virus | Yes | no rank | viruses and viroids | viruses | no rank | 273355 | click here |
| anjon virus | Yes | species | | | species | 2651935 | click here |
| anncaliia algerae | Yes | species | eukaryota | plants | species | 723287 | click here |
| anncaliia algerae pra339 | Yes | no rank | | | no rank | 1288291 | click here |
| anopheles a virus | Yes | no rank | viruses and viroids | viruses | no rank | 35307 | click here |
| anopheles annulipes orbivirus | Yes | species | | | species | 2026603 | click here |
| anopheles b virus | Yes | no rank | viruses and viroids | viruses | no rank | 35308 | click here |