| streptococcus equinus | 52 | species | bacteria | bacteria | 1335 |
| gardnerella vaginalis | 52 | species | bacteria | bacteria | 2702 |
| leishmania braziliensis | 52 | species | invertebrates | protozoa | 5660 |
| eimeria tenella | 52 | species | invertebrates | protozoa | 5802 |
| wuchereria bancrofti | 52 | species | invertebrates | helminths | 6293 |
| lucilia cuprina | 52 | species | invertebrates | fly | 7375 |
| brucella melitensis | 52 | species | bacteria | bacteria | 29459 |
| spotted fever group | 52 | species group | bacteria | | 114277 |
| chromobacterium violaceum | 53 | species | bacteria | bacteria | 536 |
| proteus vulgaris | 53 | species | bacteria | bacteria | 585 |
| shigella sonnei | 53 | species | bacteria | bacteria | 624 |
| rickettsia rickettsii | 53 | species | bacteria | bacteria | 783 |
| streptococcus salivarius | 53 | species | bacteria | bacteria | 1304 |
| bacillus pumilus | 53 | species | bacteria | bacteria | 1408 |
| clostridium butyricum | 53 | species | bacteria | bacteria | 1492 |
| rhodococcus erythropolis | 53 | species | bacteria | bacteria | 1833 |
| leishmania amazonensis | 53 | species | invertebrates | protozoa | 5659 |
| giardia intestinalis | 53 | species | invertebrates | protozoa | 5741 |
| babesia microti | 53 | species | invertebrates | protozoa | 5868 |
| schistosoma japonicum | 53 | species | invertebrates | helminths | 6182 |
| echinococcus multilocularis | 53 | species | invertebrates | helminths | 6211 |
| brugia pahangi | 53 | species | invertebrates | helminths | 6280 |
| teladorsagia circumcincta | 53 | species | invertebrates | helminths | 45464 |
| paracoccidioides brasiliensis | 53 | species | plants | fungi | 121759 |
| brevundimonas diminuta | 54 | species | bacteria | bacteria | 293 |
| bartonella quintana | 54 | species | bacteria | bacteria | 803 |
| flexibacter | 54 | genus | bacteria | | 992 |
| mycoplasma hominis | 54 | species | bacteria | bacteria | 2098 |
| coccidioides immitis | 54 | species | plants | fungi | 5501 |
| theileria parva | 54 | species | invertebrates | protozoa | 5875 |
| amblyomma americanum | 54 | species | invertebrates | tick | 6943 |
| orthoreovirus | 54 | genus | viruses | | 10882 |
| venezuelan equine encephalitis virus | 54 | species | viruses | viruses | 11036 |
| enterocytozoon bieneusi | 54 | species | plants | fungi | 31281 |
| bordetella bronchiseptica | 55 | species | bacteria | bacteria | 518 |
| anaplasma marginale | 55 | species | bacteria | bacteria | 770 |
| taenia solium | 55 | species | invertebrates | helminths | 6204 |
| tick-borne encephalitis virus | 55 | species | viruses | viruses | 11084 |
| salmonella enterica subsp. enterica serovar dublin | 55 | no rank | bacteria | bacteria | 98360 |
| calliphora erythrocephala | 55 | species | | fly | |
| vibrio alginolyticus | 56 | species | bacteria | bacteria | 663 |
| ehrlichia chaffeensis | 56 | species | bacteria | bacteria | 945 |
| alternaria alternata | 56 | species | plants | fungi | 5599 |
| schistosoma haematobium | 56 | species | invertebrates | helminths | 6185 |
| sphingomonas paucimobilis | 56 | species | bacteria | bacteria | 13689 |
| tannerella forsythia | 56 | species | bacteria | bacteria | 28112 |
| campylobacter fetus | 57 | species | bacteria | bacteria | 196 |
| [haemophilus] ducreyi | 57 | species | bacteria | bacteria | 730 |
| brevibacillus brevis | 57 | species | bacteria | bacteria | 1393 |
| rhodococcus rhodochrous | 57 | species | bacteria | bacteria | 1829 |
| leishmania infantum | 57 | species | invertebrates | protozoa | 5671 |
| trichostrongylus colubriformis | 57 | species | invertebrates | helminths | 6319 |
| fowlpox virus | 57 | species | viruses | viruses | 10261 |
| porcine parvovirus | 57 | species | viruses | viruses | 10796 |
| hepacivirus | 57 | genus | viruses | | 11102 |
| influenza b virus | 57 | species | viruses | viruses | 11520 |
| echovirus | 57 | species | viruses | viruses | 33758 |
| treponema denticola | 58 | species | bacteria | bacteria | 158 |
| comamonas | 58 | genus | bacteria | | 283 |
| wolinella | 58 | genus | bacteria | | 843 |
| wolinella succinogenes | 58 | species | bacteria | bacteria | 844 |
| mycobacterium chelonae | 58 | species | bacteria | bacteria | 1774 |
| carnobacterium | 58 | genus | bacteria | | 2747 |
| encephalitozoon cuniculi | 58 | species | plants | fungi | 6035 |
| glossina morsitans | 58 | species | invertebrates | fly | 7394 |
| duck hepatitis b virus | 58 | species | viruses | viruses | 12639 |
| rotavirus a | 58 | species | viruses | viruses | 28875 |
| actinobacillus pleuropneumoniae | 59 | species | bacteria | bacteria | 715 |
| rhizomucor miehei | 59 | species | plants | fungi | 4839 |
| myxoma virus | 59 | species | viruses | viruses | 10273 |
| lelystad virus | 59 | no rank | viruses | viruses | 11049 |
| feline calicivirus | 59 | species | viruses | viruses | 11978 |
| lysinibacillus sphaericus | 60 | species | bacteria | bacteria | 1421 |
| mycobacterium fortuitum | 60 | species | bacteria | bacteria | 1766 |
| trichosporon | 60 | genus | plants | | 5552 |
| trypanosoma brucei brucei | 60 | subspecies | invertebrates | protozoa | 5702 |
| equid herpesvirus 1 | 60 | species | viruses | viruses | 10326 |
| infectious bursal disease virus | 60 | species | viruses | viruses | 10995 |
| transmissible gastroenteritis virus | 60 | no rank | viruses | viruses | 11149 |
| canine distemper virus | 60 | species | viruses | viruses | 11232 |
| human t-lymphotropic virus 2 | 60 | no rank | viruses | viruses | 11909 |
| chicken anemia virus | 60 | species | viruses | viruses | 12618 |
| anaplasma | 61 | genus | bacteria | | 768 |
| fusobacterium nucleatum | 61 | species | bacteria | bacteria | 851 |
| peptostreptococcus | 61 | genus | bacteria | | 1257 |
| streptococcus gordonii | 61 | species | bacteria | bacteria | 1302 |
| coprinopsis cinerea | 61 | species | plants | fungi | 5346 |
| echinococcus granulosus | 61 | species | invertebrates | helminths | 6210 |
| equine arteritis virus | 61 | species | viruses | viruses | 11047 |
| dengue virus 2 | 61 | no rank | viruses | viruses | 11060 |
| mumps virus | 61 | species | viruses | viruses | 11161 |
| hantaan virus | 61 | species | viruses | viruses | 11599 |
| visna/maedi virus | 61 | species | viruses | viruses | 11741 |
| burkholderia pseudomallei | 61 | species | bacteria | bacteria | 28450 |
| leptospira | 62 | genus | bacteria | | 171 |
| anaplasma phagocytophilum | 62 | species | bacteria | bacteria | 948 |
| streptococcus agalactiae | 62 | species | bacteria | bacteria | 1311 |
| acholeplasma | 62 | genus | bacteria | | 2147 |
| calliphora vicina | 62 | species | invertebrates | fly | 7373 |
| equine infectious anemia virus | 62 | species | viruses | viruses | 11665 |