| trombicula autumnalis | 5 | species | | | |
| trypanosoma equinum | 1 | species | | protozoa | |
| wanowrie virus | 1 | species | | viruses | |
| wenyonella philiplevinei | 1 | species | | protozoa | |
| trichostrongylus skrjabini | -3 | species | | helminths | |
| trichostrongylus calcaratus | 2 | species | | helminths | |
| trichostrongylus drepanoformis | 1 | species | | helminths | |
| cotylurus variegatus | 2 | species | | helminths | |
| cryptobia brachialis | -3 | species | | protozoa | |
| variant creutzfeldt-jakob disease agent | 31 | species | | | |
| cnemidocoptes jamaicensis | 1 | species | | | |
| cotylurus cornutus | 3 | species | | helminths | |
| cotylurus flabelliformis | 4 | species | | helminths | |
| capillaria felis cati | 2 | subspecies | | helminths | |
| cheilospirura hamulosa | 3 | species | | helminths | |
| brugia guyanensis | 2 | species | | helminths | |
| calliphora erythrocephala | 55 | species | | fly | |
| caparinia ictonyctis | -3 | species | | | |
| babesia vogeli | 4 | species | | protozoa | |
| bertiella mucronata | 1 | species | | helminths | |
| treponema carateum | 1 | species | | bacteria | |
| trichobilharzia brevis | -3 | species | | helminths | |
| achillurbainia recondita | -3 | species | | helminths | |
| amoebotaenia cuneata | 4 | species | | helminths | |
| apophallus donicum | -3 | species | | helminths | |
| argas radiatus | 2 | species | | tick | |
| spirometra mansoni | 7 | species | | helminths | |
| thelohanellus piriformis | -3 | species | | | |
| skrjabinotrema ovis | 1 | species | | helminths | |
| spirillum minus | 5 | species | | bacteria | |
| spirocerca arctica | -3 | species | | helminths | |
| sarcopterinus nidulans | -3 | species | | | |
| pterophagus strictus | -3 | species | | | |
| retortamonas intestinalis | 1 | species | | protozoa | |
| rhabditis inermis | -3 | species | | helminths | |
| rhinoestrus purpurensis | -3 | species | | fly | |
| pneumonyssus simicola | 4 | species | | | |
| prosarcoptes allenopitheci | -3 | species | | | |
| pseudodiscus collinsi | -3 | species | | helminths | |
| physaloptera clausa | 2 | species | | helminths | |
| physaloptera gemina | -3 | species | | helminths | |
| plagiorchis philippinensis | -3 | species | | helminths | |
| plasmodium schwetzi | 2 | species | | protozoa | |
| plistophora ovariae | 1 | species | | fungi | |
| trichodina megamicronucleatum | -3 | species | | protozoa | |
| trichostrongylus falculatus | 4 | species | | helminths | |
| penicillium dupontii | 1 | species | | fungi | |
| phoma cruris-hominis | -3 | species | | fungi | |
| physaloptera canis | -3 | species | | helminths | |
| syringophilus uncinatus | -3 | species | | | |
| tracheophilus cucumerinum | -3 | species | | helminths | |
| stephanofilaria kaeli | 1 | species | | helminths | |
| stephanofilaria okinawaensis | 1 | species | | helminths | |
| sarcocystis lindemanni | -3 | species | | protozoa | |
| sarcoptes scabiei type equi | -3 | species | | | |
| sarcoptes scabiei var equi | -3 | no rank | | | |
| schistosoma nasalis | -3 | species | | helminths | |
| scytalidium infestans | -3 | species | | fungi | |
| rhipicephalus capensis | 3 | species | invertebrates | tick | |
| rhipicephalus jeanelli | -3 | species | | tick | |
| sandfly fever virus group | -3 | species | | viruses | |
| sarcocystis hemionilatrantis | 3 | species | | protozoa | |
| pseudamphistomum aethiopicum | -3 | species | | helminths | |
| plistophora macrozoarcidis | -3 | species | | fungi | |
| procerovum calderoni | 1 | species | | helminths | |
| prosthenorchis spicula | -3 | species | | helminths | |
| phaeoanellomyces werneckii | -3 | species | | fungi | |
| physaloptera caucasica | -3 | species | | helminths | |
| physaloptera dilitata | -3 | species | | helminths | |
| physaloptera erinacea | -3 | species | | helminths | |
| opisthorchis tenuicollis | -3 | species | | helminths | |
| ostertagia pinnata | 2 | species | | helminths | |
| oxyuris poculum | -3 | species | | helminths | |
| paecilomyces fumerosoreus | -3 | species | | fungi | |
| pedicinus patas | -3 | species | | | |
| nosema ocularum | 1 | species | | fungi | |
| megninia columbae | -3 | species | | | |
| menopon leucoxanthum | -3 | species | | | |
| menopon stramineus | -3 | species | | | |
| microfilaria bolivarensis | 2 | species | | helminths | |
| leishmania braziliensis panamensis | 13 | subspecies | | protozoa | |
| lipoptena caprina | -3 | species | | fly | |
| hippobosca camelina | -3 | species | | fly | |
| hypoderma crossi | -3 | species | | fly | |
| hyptiasmus tumidus | -3 | species | | helminths | |
| hystrichis tricolor | 2 | species | | helminths | |
| gasterophilus inermis | 2 | species | | fly | |
| gastrodiscus secundus | -3 | species | | helminths | |
| haemonchus mitchelli | 1 | species | | helminths | |
| tyzzeria perniciosa | 1 | species | | protozoa | |
| zinga virus | 3 | species | | viruses | |
| eurytrema brumpti | 1 | species | | helminths | |
| fimbriaria fasciolaris | 5 | species | | helminths | |
| triodontophorus tenuicollis | 1 | species | | helminths | |
| trombicula batatas | -3 | species | | | |
| trypanosoma suis | 2 | species | | protozoa | |
| cryptocotyle concava | 2 | species | | helminths | |
| cryptocotyle jejuna | -3 | species | | helminths | |
| cuterebra emasculator | 5 | species | | fly | |
| trichosomoides crassicauda | 6 | species | | helminths | |