| streptococcus dysgalactiae | 37 | species | bacteria | bacteria | 1334 |
| trueperella pyogenes | 37 | species | bacteria | bacteria | 1661 |
| mycoplasma fermentans | 37 | species | bacteria | bacteria | 2115 |
| theileria annulata | 37 | species | invertebrates | protozoa | 5874 |
| anisakis simplex | 37 | species | invertebrates | helminths | 6269 |
| ctenocephalides felis | 37 | species | invertebrates | flea | 7515 |
| turkey coronavirus | 37 | no rank | viruses | viruses | 11152 |
| human parainfluenza virus 2 | 37 | species | viruses | viruses | 11212 |
| thogoto virus | 37 | species | viruses | viruses | 11569 |
| rabbit hemorrhagic disease virus | 37 | species | viruses | viruses | 11976 |
| prevotella nigrescens | 37 | species | bacteria | bacteria | 28133 |
| arcobacter butzleri | 37 | species | bacteria | bacteria | 28197 |
| helicobacter heilmannii | 37 | species | bacteria | bacteria | 35817 |
| cryptococcus gattii vgiii | 37 | species | plants | fungi | 552467 |
| bacteroides vulgatus | 38 | species | bacteria | bacteria | 821 |
| paeniclostridium sordellii | 38 | species | bacteria | bacteria | 1505 |
| mycoplasma mycoides | 38 | species | bacteria | bacteria | 2102 |
| methanobrevibacter | 38 | genus | bacteria | | 2172 |
| propionigenium | 38 | genus | bacteria | | 2332 |
| rhodotorula glutinis | 38 | species | plants | fungi | 5535 |
| cutaneotrichosporon cutaneum | 38 | species | plants | fungi | 5554 |
| orf virus | 38 | species | viruses | viruses | 10258 |
| st. louis encephalitis virus | 38 | species | viruses | viruses | 11080 |
| lyssavirus | 38 | genus | viruses | | 11286 |
| phlebovirus | 38 | genus | viruses | | 11584 |
| cardiovirus | 38 | genus | viruses | | 12103 |
| lucilia sericata | 38 | species | invertebrates | fly | 13632 |
| brucella suis | 38 | species | bacteria | bacteria | 29461 |
| mycobacterium abscessus | 38 | species | bacteria | bacteria | 36809 |
| pediculus humanus | 38 | species | invertebrates | | 121225 |
| border disease virus | 38 | species | viruses | viruses | 358764 |
| hafnia alvei | 39 | species | bacteria | bacteria | 569 |
| prevotella ruminicola | 39 | species | bacteria | bacteria | 839 |
| herbaspirillum | 39 | genus | bacteria | | 963 |
| clavibacter | 39 | genus | bacteria | | 1573 |
| tropheryma | 39 | genus | bacteria | | 2038 |
| eimeria acervulina | 39 | species | invertebrates | protozoa | 5801 |
| phormia regina | 39 | species | invertebrates | fly | 7380 |
| human coronavirus 229e | 39 | species | viruses | viruses | 11137 |
| rinderpest virus | 39 | species | viruses | viruses | 11241 |
| streptococcus milleri | 39 | species | bacteria | bacteria | 33040 |
| meleagrid herpesvirus 1 | 39 | species | viruses | viruses | 37108 |
| chikungunya virus | 39 | species | viruses | viruses | 37124 |
| arthroderma otae | 39 | species | plants | fungi | 63405 |
| pfiesteria piscicida | 39 | species | plants | protozoa | 71001 |
| bocavirus | 39 | genus | viruses | | 310912 |
| histophilus somni | 40 | species | bacteria | bacteria | 731 |
| rickettsia conorii | 40 | species | bacteria | bacteria | 781 |
| orientia tsutsugamushi | 40 | species | bacteria | bacteria | 784 |
| fusobacterium necrophorum | 40 | species | bacteria | bacteria | 859 |
| bacillus coagulans | 40 | species | bacteria | bacteria | 1398 |
| hathewaya histolytica | 40 | species | bacteria | bacteria | 1498 |
| actinoplanes | 40 | genus | bacteria | | 1865 |
| gordonia | 40 | genus | bacteria | | 2053 |
| peptococcus | 40 | genus | bacteria | | 2740 |
| penicillium citrinum | 40 | species | plants | fungi | 5077 |
| trichosporon beigelii | 40 | species | plants | fungi | 5553 |
| acanthamoeba polyphaga | 40 | species | invertebrates | protozoa | 5757 |
| opisthorchis viverrini | 40 | species | invertebrates | helminths | 6198 |
| arterivirus | 40 | genus | viruses | | 11046 |
| caprine arthritis encephalitis virus | 40 | species | viruses | viruses | 11660 |
| jaagsiekte sheep retrovirus | 40 | species | viruses | viruses | 11746 |
| sporothrix schenckii | 40 | species | plants | fungi | 29908 |
| clavispora lusitaniae | 40 | species | plants | fungi | 36911 |
| delftia acidovorans | 40 | species | bacteria | bacteria | 80866 |
| campylobacter rectus | 41 | species | bacteria | bacteria | 203 |
| pseudomonas pseudoalcaligenes | 41 | species | bacteria | bacteria | 330 |
| providencia stuartii | 41 | species | bacteria | bacteria | 588 |
| streptococcus uberis | 41 | species | bacteria | bacteria | 1349 |
| tropheryma whipplei | 41 | species | bacteria | bacteria | 2039 |
| wickerhamomyces anomalus | 41 | species | plants | fungi | 4927 |
| infectious hematopoietic necrosis virus | 41 | no rank | viruses | viruses | 11290 |
| rift valley fever virus | 41 | species | viruses | viruses | 11588 |
| lassa mammarenavirus | 41 | species | viruses | viruses | 11620 |
| blastocystis hominis | 41 | species | plants | | 12968 |
| trypanosoma brucei gambiense | 41 | subspecies | invertebrates | protozoa | 31285 |
| dermacentor variabilis | 41 | species | invertebrates | tick | 34621 |
| rhipicephalus sanguineus | 41 | species | invertebrates | tick | 34632 |
| trichophyton mentagrophytes | 41 | species | plants | fungi | 523103 |
| aeromonas caviae | 42 | species | bacteria | bacteria | 648 |
| plesiomonas | 42 | genus | bacteria | | 702 |
| meyerozyma guilliermondii | 42 | species | plants | fungi | 4929 |
| trypanosoma congolense | 42 | species | invertebrates | protozoa | 5692 |
| exophiala dermatitidis | 42 | species | plants | fungi | 5970 |
| staphylococcus saprophyticus | 42 | species | bacteria | bacteria | 29385 |
| brachyspira | 42 | genus | bacteria | | 29521 |
| parvimonas micra | 42 | species | bacteria | bacteria | 33033 |
| acidobacterium | 42 | genus | bacteria | | 33973 |
| shigella dysenteriae 1 | 42 | no rank | bacteria | bacteria | 984897 |
| gluconobacter | 43 | genus | bacteria | | 441 |
| edwardsiella | 43 | genus | bacteria | | 635 |
| streptococcus sobrinus | 43 | species | bacteria | bacteria | 1310 |
| rhizopus stolonifer | 43 | species | plants | fungi | 4846 |
| bovine respiratory syncytial virus | 43 | species | viruses | viruses | 11246 |
| encephalitozoon hellem | 43 | species | plants | fungi | 27973 |
| cronobacter sakazakii | 43 | species | bacteria | bacteria | 28141 |
| microbacterium | 43 | genus | bacteria | | 33882 |
| protophormia terraenovae | 43 | species | invertebrates | fly | 34676 |
| encephalitozoon intestinalis | 43 | species | plants | fungi | 58839 |
| hendra virus | 43 | species | viruses | viruses | 63330 |