| penicillium commune | 18 | species | plants | fungi | 36653 |
| schistosomatium | 18 | genus | invertebrates | | 38740 |
| schistosomatium douthitti | 18 | species | invertebrates | helminths | 38741 |
| mansonella perstans | 18 | species | invertebrates | helminths | 42231 |
| vittaforma corneae | 18 | species | plants | fungi | 42399 |
| leptospira interrogans serovar pomona | 18 | no rank | bacteria | bacteria | 44276 |
| kluyvera ascorbata | 18 | species | bacteria | bacteria | 51288 |
| oesophagostomum radiatum | 18 | species | invertebrates | helminths | 52565 |
| enterococcus mundtii | 18 | species | bacteria | bacteria | 53346 |
| paramphistomum | 18 | genus | invertebrates | | 54402 |
| salmonella bongori | 18 | species | bacteria | bacteria | 54736 |
| diphyllobothrium latum | 18 | species | invertebrates | helminths | 60516 |
| enterobacter asburiae | 18 | species | bacteria | bacteria | 61645 |
| corynebacterium ulcerans | 18 | species | bacteria | bacteria | 65058 |
| ixodes holocyclus | 18 | species | invertebrates | tick | 65647 |
| cladosporium sphaerospermum | 18 | species | plants | fungi | 92950 |
| dermatobia hominis | 18 | species | invertebrates | fly | 115427 |
| histomonas meleagridis | 18 | species | invertebrates | protozoa | 135588 |
| betaretrovirus | 18 | genus | viruses | | 140052 |
| betanodavirus | 18 | genus | viruses | | 143919 |
| spilopsyllus cuniculi | 18 | species | invertebrates | flea | 476434 |
| actinobacillus suis | 19 | species | bacteria | bacteria | 716 |
| aggregatibacter aphrophilus | 19 | species | bacteria | bacteria | 732 |
| [pasteurella] pneumotropica | 19 | species | bacteria | bacteria | 758 |
| cellulosimicrobium cellulans | 19 | species | bacteria | bacteria | 1710 |
| cardiobacterium | 19 | genus | bacteria | | 2717 |
| leishmania aethiopica | 19 | species | invertebrates | protozoa | 5667 |
| bovine parainfluenza virus 3 | 19 | species | viruses | viruses | 11215 |
| nematodirus battus | 19 | species | invertebrates | helminths | 28839 |
| conidiobolus coronatus | 19 | species | plants | fungi | 34488 |
| amblyomma cajennense | 19 | species | invertebrates | tick | 34607 |
| aponomma | 19 | genus | invertebrates | | 34616 |
| haemaphysalis leporispalustris | 19 | species | invertebrates | tick | 34624 |
| helicobacter pullorum | 19 | species | bacteria | bacteria | 35818 |
| acetivibrio | 19 | genus | bacteria | | 35829 |
| dietzia | 19 | genus | bacteria | | 37914 |
| polyopisthocotylea | 19 | order | invertebrates | | 40163 |
| trichostrongylus vitrinus | 19 | species | invertebrates | helminths | 40352 |
| corynebacterium striatum | 19 | species | bacteria | bacteria | 43770 |
| paenibacillus alvei | 19 | species | bacteria | bacteria | 44250 |
| staphylococcus chromogenes | 19 | species | bacteria | bacteria | 46126 |
| dermacentor marginatus | 19 | species | invertebrates | tick | 49202 |
| eimeria necatrix | 19 | species | invertebrates | protozoa | 51315 |
| trichomonas gallinae | 19 | species | invertebrates | protozoa | 56777 |
| dicrocoelium dendriticum | 19 | species | invertebrates | helminths | 57078 |
| mycoplasma suis | 19 | species | bacteria | bacteria | 57372 |
| european bat lyssavirus 1 | 19 | species | viruses | viruses | 57482 |
| trichophyton verrucosum | 19 | species | plants | fungi | 63417 |
| lucilia caesar | 19 | species | invertebrates | fly | 65466 |
| collinsella aerofaciens | 19 | species | bacteria | bacteria | 74426 |
| delftia | 19 | genus | bacteria | | 80865 |
| mycoplasma dispar | 19 | species | bacteria | bacteria | 86660 |
| cryptosporidium meleagridis | 19 | species | invertebrates | protozoa | 93969 |
| epizootic haematopoietic necrosis virus | 19 | species | viruses | viruses | 100217 |
| contracaecum osculatum | 19 | species | invertebrates | helminths | 106324 |
| leifsonia aquatica | 19 | species | bacteria | bacteria | 144185 |
| influenzavirus c | 19 | genus | viruses | | 197913 |
| leptospira interrogans serovar canicola | 19 | no rank | bacteria | bacteria | 211880 |
| histophilus | 19 | genus | bacteria | | 214906 |
| henipavirus | 19 | genus | viruses | | 260964 |
| spirocerca lupi | 19 | species | invertebrates | helminths | 304461 |
| aspergillus flavus group | 19 | species | | fungi | |
| blastobacter | 20 | genus | bacteria | | 109 |
| campylobacter concisus | 20 | species | bacteria | bacteria | 199 |
| fusobacterium mortiferum | 20 | species | bacteria | bacteria | 850 |
| tsukamurella paurometabola | 20 | species | bacteria | bacteria | 2061 |
| lymphocryptovirus | 20 | genus | viruses | | 10375 |
| torovirus | 20 | genus | viruses | | 11155 |
| prevotella bivia | 20 | species | bacteria | bacteria | 28125 |
| ornithobacterium | 20 | genus | bacteria | | 28250 |
| ornithobacterium rhinotracheale | 20 | species | bacteria | bacteria | 28251 |
| enterococcus avium | 20 | species | bacteria | bacteria | 33945 |
| neorickettsia | 20 | genus | bacteria | | 33993 |
| candidatus liberibacter | 20 | genus | bacteria | | 34019 |
| streptobacillus moniliformis | 20 | species | bacteria | bacteria | 34105 |
| paragonimus westermani | 20 | species | invertebrates | helminths | 34504 |
| amblyomma maculatum | 20 | species | invertebrates | tick | 34609 |
| rickettsia africae | 20 | species | bacteria | bacteria | 35788 |
| acinetobacter junii | 20 | species | bacteria | bacteria | 40215 |
| aspergillus candidus | 20 | species | plants | fungi | 41067 |
| chrysomya rufifacies | 20 | species | invertebrates | fly | 45450 |
| ancylostoma ceylanicum | 20 | species | invertebrates | helminths | 53326 |
| mycobacterium avium-intracellulare | 20 | species | bacteria | bacteria | 55883 |
| trichosporon asahii | 20 | species | plants | fungi | 82508 |
| hymenolepis microstoma | 20 | species | invertebrates | helminths | 85433 |
| saksenaea vasiformis | 20 | species | plants | fungi | 90258 |
| cyprinid herpesvirus 3 | 20 | species | viruses | viruses | 180230 |
| ebolavirus | 20 | genus | viruses | | 186536 |
| zaire ebolavirus | 20 | species | viruses | viruses | 186538 |
| trichuris vulpis | 20 | species | invertebrates | helminths | 219738 |
| fascioloides magna | 20 | species | invertebrates | helminths | 394415 |
| lasiodiplodia theobromae | 20 | no rank | plants | fungi | 502207 |
| borrelia turicatae | 21 | species | bacteria | bacteria | 142 |
| bordetella avium | 21 | species | bacteria | bacteria | 521 |
| shigella boydii | 21 | species | bacteria | bacteria | 621 |
| avibacterium paragallinarum | 21 | species | bacteria | bacteria | 728 |
| bacteroides uniformis | 21 | species | bacteria | bacteria | 820 |
| prevotella loescheii | 21 | species | bacteria | bacteria | 840 |
| oceanospirillum | 21 | genus | bacteria | | 965 |
| piscirickettsia | 21 | genus | bacteria | | 1237 |