| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aedes albopictus | Yes | species | eukaryota | invertebrates | species | 7160 | click here |
| alaria alata | Yes | species | eukaryota | invertebrates | species | 138590 | click here |
| alaria marcianae | Yes | species | | | species | 1684801 | click here |
| alaria mustelae | Yes | species | eukaryota | invertebrates | species | 669500 | click here |
| aleutian mink disease virus | Yes | species | viruses and viroids | viruses | species | 28314 | click here |
| alphacoronavirus 1 | Yes | species | viruses and viroids | viruses | species | 693997 | click here |
| amblyomma dubitatum | Yes | species | eukaryota | invertebrates | species | 321419 | click here |
| anaplasma bovis | Yes | species | bacteria | bacteria | species | 186733 | click here |
| anaplasma phagocytophilum | Yes | species | bacteria | bacteria | species | 948 | click here |
| ancylostoma caninum | Yes | species | eukaryota | invertebrates | species | 29170 | click here |
| angiostrongylus cantonensis | Yes | species | eukaryota | invertebrates | species | 6313 | click here |
| angiostrongylus costaricensis | Yes | species | eukaryota | invertebrates | species | 334426 | click here |
| angiostrongylus vasorum | Yes | species | eukaryota | invertebrates | species | 321387 | click here |
| anguillicola crassus | Yes | species | eukaryota | invertebrates | species | 620897 | click here |
| angusticaecum holopterum | Yes | species | eukaryota | invertebrates | species | 545648 | click here |
| anopheles atropos | Yes | species | eukaryota | invertebrates | species | 190376 | click here |
| anopheles punctipennis | Yes | species | eukaryota | invertebrates | species | 102899 | click here |
| anopheles quadrimaculatus | Yes | species | eukaryota | invertebrates | species | 7166 | click here |
| aonchotheca (aonchotheca) sp. toda-2010 | Yes | no rank | | | species | 1647948 | click here |
| aonchotheca putorii | Yes | species | | | species | 1647945 | click here |
| ascaris lumbricoides | Yes | species | eukaryota | invertebrates | species | 6252 | click here |
| ascaris suum | Yes | species | eukaryota | invertebrates | species | 6253 | click here |
| babesia crassa | Yes | species | eukaryota | invertebrates | species | 237579 | click here |
| babesia gibsoni | Yes | species | eukaryota | invertebrates | species | 33632 | click here |
| babesia microti | Yes | species | eukaryota | invertebrates | species | 5868 | click here |
| babesia sp. | Yes | species | eukaryota | invertebrates | species | 35084 | click here |
| babesia sp. coco | Yes | no rank | eukaryota | invertebrates | species | 279972 | click here |
| babesia sp. do23124 | Yes | no rank | | | species | 1500792 | click here |
| babesia sp. saitama_1695 | Yes | no rank | | | species | 1500784 | click here |
| babesia sp. saitama_1697 | Yes | no rank | | | species | 1500785 | click here |
| babesia sp. sw-r-090616_t1 | Yes | no rank | | | species | 1500786 | click here |
| babesia sp. sw-r-090616_t2 | Yes | no rank | | | species | 1500787 | click here |
| babesia sp. sw-r-090706 | Yes | no rank | | | species | 1500788 | click here |
| babesia sp. sw-r-090731-y_#1 | Yes | no rank | | | species | 1500790 | click here |
| babesia sp. sw-r-090731-y_#2 | Yes | no rank | | | species | 1500791 | click here |
| babesia sp. sw-r-090812-y | Yes | no rank | | | species | 1500789 | click here |
| bartonella henselae | Yes | species | bacteria | bacteria | species | 38323 | click here |
| bartonella rochalimae | Yes | species | bacteria | bacteria | species | 395923 | click here |
| bartonella vinsonii | Yes | species | bacteria | bacteria | species | 33047 | click here |
| bartonella washoensis | Yes | species | bacteria | bacteria | species | 186739 | click here |
| bat coronavirus | Yes | species | | | species | 1508220 | click here |
| baylisascaris columnaris | Yes | species | eukaryota | invertebrates | species | 575210 | click here |
| baylisascaris procyonis | Yes | species | eukaryota | invertebrates | species | 6259 | click here |
| baylisascaris transfuga | Yes | species | eukaryota | invertebrates | species | 6260 | click here |
| blastocystis sp. | Yes | species | eukaryota | plants | species | 46767 | click here |
| bordetella bronchiseptica | Yes | species | bacteria | bacteria | species | 518 | click here |
| borna disease virus | Yes | species | viruses and viroids | viruses | species | 12455 | click here |
| borrelia lonestari | Yes | species | bacteria | bacteria | species | 38876 | click here |
| borreliella burgdorferi | Yes | species | bacteria | bacteria | species | 139 | click here |
| brucella abortus | Yes | species | bacteria | bacteria | species | 235 | click here |
| brucella canis | Yes | species | bacteria | bacteria | species | 36855 | click here |
| brugia beaveri | Yes | species | | | species | | click here |
| bunyamwera virus | Yes | species | viruses and viroids | viruses | species | 35304 | click here |
| california encephalitis virus | Yes | no rank | viruses and viroids | viruses | no rank | 35305 | click here |
| campylobacter jejuni | Yes | species | bacteria | bacteria | species | 197 | click here |
| candidatus neoehrlichia lotoris | Yes | subspecies | bacteria | bacteria | species | 467750 | click here |
| candidatus neoehrlichia lotoris str. rac413 | Yes | no rank | | | no rank | 1359163 | click here |
| canid herpesvirus 1 | Yes | species | viruses and viroids | viruses | species | 170325 | click here |
| canine adenovirus 1 | Yes | no rank | viruses and viroids | viruses | no rank | 10512 | click here |
| canine adenovirus 2 | Yes | no rank | viruses and viroids | viruses | no rank | 10514 | click here |
| canine coronavirus | Yes | no rank | viruses and viroids | viruses | no rank | 11153 | click here |
| canine distemper virus | Yes | species | viruses and viroids | viruses | species | 11232 | click here |
| canine mastadenovirus a | Yes | species | viruses and viroids | viruses | species | 10537 | click here |
| canine parainfluenza virus | Yes | species | viruses and viroids | viruses | species | 149595 | click here |
| canine parvovirus | Yes | no rank | viruses and viroids | viruses | no rank | 10788 | click here |
| canine parvovirus 2 | Yes | no rank | viruses and viroids | viruses | no rank | 246878 | click here |
| canine parvovirus 2a | Yes | no rank | viruses and viroids | viruses | no rank | 497961 | click here |
| canine respiratory coronavirus | Yes | no rank | viruses and viroids | viruses | no rank | 215681 | click here |
| capillaria aerophila | Yes | species | | | species | 1172388 | click here |
| capillaria plica | Yes | species | | | species | 1239593 | click here |
| capillaria putorii | Yes | species | | | species | 1239594 | click here |
| cardiovirus a | Yes | species | | | species | 1821749 | click here |
| carnivore amdoparvovirus 1 | Yes | species | | | species | 1511862 | click here |
| carnivore protoparvovirus 1 | Yes | species | | | species | 1511906 | click here |
| cf. ehrlichia sp. ga | Yes | no rank | bacteria | bacteria | species | 314106 | click here |
| clostridioides difficile | Yes | species | bacteria | bacteria | species | 1496 | click here |
| concinnum procyonis | Yes | species | | | species | | click here |
| concinnum ten | Yes | species | eukaryota | invertebrates | species | 676610 | click here |
| contracaecum spiculigerum | Yes | species | eukaryota | invertebrates | species | 292499 | click here |
| coquillettidia perturbans | Yes | species | eukaryota | invertebrates | species | 329111 | click here |
| cowpox virus | Yes | species | viruses and viroids | viruses | species | 10243 | click here |
| coxiella burnetii | Yes | species | bacteria | bacteria | species | 777 | click here |
| crenosoma vulpis | Yes | species | eukaryota | invertebrates | species | 321390 | click here |
| cruzia americana | Yes | species | eukaryota | invertebrates | species | 59252 | click here |
| cryptosporidium canis | Yes | species | eukaryota | invertebrates | species | 195482 | click here |
| cryptosporidium meleagridis | Yes | species | eukaryota | invertebrates | species | 93969 | click here |
| cryptosporidium parvum | Yes | species | eukaryota | invertebrates | species | 5807 | click here |
| cryptosporidium sp. | Yes | species | eukaryota | invertebrates | species | 90962 | click here |
| cryptosporidium sp. skunk genotype | Yes | no rank | eukaryota | invertebrates | species | 564991 | click here |
| cryptosporidium sp. skunk-like genotype | Yes | no rank | | | species | 1574293 | click here |
| cryptosporidium sp. wm-2010a | Yes | no rank | eukaryota | invertebrates | no rank | 741730 | click here |
| cryptosporidium ubiquitum | Yes | species | eukaryota | invertebrates | species | 857276 | click here |
| culex bahamensis | Yes | species | | | species | 1206047 | click here |
| culex cedecei | Yes | species | | | species | 1085688 | click here |
| culex pipiens | Yes | species | eukaryota | invertebrates | species | 7175 | click here |
| culex pipiens complex | Yes | | | invertebrates | no rank | 518105 | click here |
| culex quinquefasciatus | Yes | species | eukaryota | invertebrates | species | 7176 | click here |
| culiseta melanura | Yes | species | eukaryota | invertebrates | species | 329109 | click here |
| cystoisospora felis | Yes | species | eukaryota | invertebrates | species | 482539 | click here |