| CPBS COMMON PARASITE LIST (to genus only): | ||||||||||
| Parasite | Obligate or | |||||||||
| Kingdom | Phylum | Class | Subclass | Order | genus | Host(s) | Infection site | facultative | Stage | |
| Protista | Euglenozoa | Kinetoplasta | Trypanosomatida | Leptomonas | various insects, mainly flies | inside gut | obligate | adult | ||
| Protista | Parabasalia | Trichomonada | Trichomonadida | Trichomonas | frogs | inside gut | obligate | adult | ||
| Protista | Parabasalia | Trichomonada | Spirotrichonymphida | Spirotrichonympha | termites | inside gut | obligate | adult | ||
| Protista | Ciliophora | Spirotrichea | Clevelandellida | Nyctotherus | frogs and toads | inside gut | obligate | adult | ||
| Protista | Ciliophora | Oligohymenophorea | Hymenostomatia | Hymenostomatida | Ichthyophthirius | various fishes | body surfaces | obligate | adult | |
| Protista | Ciliophora | Oligohymenophorea | Peritrichia | Mobilia | Trichodina | various fishes | gill surfaces | obligate | adult | |
| Protista | Ciliophora | Oligohymenophorea | Peritrichia | Sessilida | Epistylis | small crustaceans; aquatic insects | body surfaces | obligate | adult | |
| Protista | Ciliophora | Oligohymenophorea | Peritrichia | Sessilida | Lagenophrys | small crustaceans; aquatic insects | body surfaces | obligate | adult | |
| Protista | Ciliophora | Oligohymenophorea | Peritrichia | Sessilida | Rhabdostyla | small crustaceans; aquatic insects | body surfaces | obligate | adult | |
| Protista | Ciliophora | Oligohymenophorea | Peritrichia | Sessilida | Vorticella | small crustaceans; aquatic insects | body surfaces | facultative | adult | |
| Protista | Chromista | Opalinea | Opalinida | Opalina | frogs and toads | inside gut | obligate | adult | ||
| Protista | Apicomplexa | Conoidasida | Gregarinasina | Eugregarinida | Gregarina | many kinds of insects | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Gregarinasina | Eugregarinida | Hoplorhynchus | damselflies | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Gregarinasina | Eugregarinida | Steganorhynchus | damselflies | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Gregarinasina | Eugregarinida | Actinocephalus | damselflies | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Gregarinasina | Eugregarinida | Stylocephalus | tenebrionid beetles | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Coccidiasina | Eucoccidiorida | Eimeria | various vertebrates | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Coccidiasina | Eucoccidiorida | Isospora | various vertebrates | inside gut | obligate | adult | |
| Protista | Apicomplexa | Conoidasida | Coccidiasina | Eucoccidiorida | Haemogregarina | snapping turtles | blood | obligate | gametocytes | |
| Protista | Apicomplexa | Aconoidasida | Haemosporida | Plasmodium | birds | blood | obligate | various | ||
| Protista | Apicomplexa | Aconoidasida | Haemosporida | Haemoproteus | birds | blood | obligate | gametocytes | ||
| Animalia | Platyhelminthes | Trematoda | Digenea | Echinostomatiformes | Echinostoma | snails | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Echinostomatiformes | Fasciola | snails | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Strigeiformes | Posthodiplostomum | snails | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Strigeiformes | Posthodiplostomum | fish | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Allocreadium | fish | inside get | obligate | adult | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Allocreadium | fingernail clams | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Haematoloechus | snails | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Haematoloechus | frogs | lungs | obligate | adult | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Gorgoderina | frogs | bladder | obligate | adult | |
| Animalia | Platyhelminthes | Trematoda | Digenea | Plagiorchiformes | Gorgoderina | fingernail clams | tissues | obligate | larvae | |
| Animalia | Platyhelminthes | Monogenoidea | Dactylogyridea | Dactylogyrus | fish | gill surfaces | obligate | adult | ||
| Animalia | Platyhelminthes | Monogenoidea | Dactylogyridea | Onchocleidus | fish | gill surfaces | obligate | adult | ||
| Animalia | Platyhelminthes | Monogenoidea | Dactylogyridea | Actinocleidus | fish | gill surfaces | obligate | adult | ||
| Animalia | Platyhelminthes | Monogenoidea | Dactylogyridea | Haplocleidus | fish | gill surfaces | obligate | adult | ||
| Animalia | Platyhelminthes | Monogenoidea | Gyrodactylidea | Gyrodactylus | fish | gill surfaces | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Caryophyllidea | Monobothrium | fish | inside gut | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Pseudophyllidea | Bothriocephalus | fish | inside gut | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Proteocephalidea | Proteocephalus | fish | inside gut | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Proteocephalidea | Proteocephalus | fish | viscera | obligate | larvae | ||
| Animalia | Platyhelminthes | Cestoidea | Proteocephalidea | Corallobothrium | fish | inside gut | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Cyclophyllidea | Distoichometra | toads | inside gut | obligate | adult | ||
| Animalia | Platyhelminthes | Cestoidea | Cyclophyllidea | Taenia | road kill rabbits | tissues | obligate | larvae | ||
| Animalia | Platyhelminthes | Cestoidea | Cyclophyllidea | Multiceps | road kill rabbits | tissues | obligate | larvae | ||
| Animalia | Nematoda | Enoplea | Mermithida | ????????????? | insect larvae | tissues | obligate | juveniles | ||
| Animalia | Nematoda | Rhabditea | Rhabditida | Rhabdias | snakes | inside gut | obligate | adult | ||
| Animalia | Nematoda | Rhabditea | Ascaridida | Contracaecum | fish | viscera | obligate | juveniles | ||
| Animalia | Nematoda | Rhabditea | Spirurida | Spiroxys | frogs | viscera | obligate | juveniles | ||
| Animalia | Nematoda | Rhabditea | Spirurida | Rhabochona | fish | inside gut | obligate | adult | ||
| Animalia | Nematoda | Rhabditea | Spirurida | Spinitectus | fish | inside gut | obligate | adult | ||
| Animalia | Nematoda | Rhabditea | Spirurida | Physaloptera | frogs, toads, snakes | stomach | obligate | juveniles | ||
| Animalia | Nematoda | Rhabditea | Spirurida | Camellanus | fish, turtles | inside gut | obligate | adult | ||
| Animalia | Nematoda | Rhabditea | Oxyurida | Gyrnicola | frogs (tadpoles) | inside gut | obligate | adult | ||
| Animalia | Acanthocephala | Archiacanthocephala | Gigantorhynchida | Mediorhynchus | birds | inside gut | obligate | adult | ||
| Animalia | Acanthocephala | Palaeacanthocephala | Echinorhynchida | Corynosoma | amphipods (crustacea) | haemocoel | obligate | juvenile | ||
| Animalia | Acanthocephala | Palaeacanthocephala | Echinorhynchida | Pomphorhynchus | fish | inside gut | obligate | adult | ||
| Animalia | Acanthocephala | Eoacanthocephala | Neoechinorhynchida | Neoechinorhynchus | fish, turtles | inside gut | obligate | adult | ||
| Animalia | Arthropoda | Maxillipoda | Copepoda | Cycloipoida | Lernea | fish | skin | obligate | adult | |
| Animalia | Arthropoda | Maxillipoda | Copepoda | Poecilostomatoida | Ergasilus | fish | gills | obligate | adult | |
| Animalia | Arthropoda | Arachnida | Acari | Ixodida | Dermacentor | mammals (including students) | feed on blood | obligate | adult | |
| Animalia | Arthropoda | Arachnida | Acari | Mesostigmata | Proctophyllodes | birds | feathers | obligate | adult | |
| Animalia | Arthropoda | Arachnida | Acari | Mesostigmata | Pteronyssoides | birds | feathers | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Phthiraptera | Menopon | birds | skin | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Hemiptera | Oeciacus | birds | nests | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Siphonaptera | Ceratophyllus | mammals and birds | feed on blood | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Siphonaptera | Pulex | mammals and birds | feed on blood | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Siphonaptera | Ctenocephalides | mammals and birds | feed on blood | obligate | adult | |
| Animalia | Arthropoda | Hexapoda | Pterygota | Diptera | Culex | mammals and birds | feed on blood | obligate | adult | larvae |
| Animalia | Arthropoda | Hexapoda | Pterygota | Diptera | Culiseta | mammals and birds | feed on blood | obligate | adult | larvae |
| Animalia | Arthropoda | Hexapoda | Pterygota | Diptera | Aedes | mammals and birds | feed on blood | obligate | adult | larvae |
| Animalia | Arthropoda | Hexapoda | Pterygota | Diptera | Ochlerotatus | mammals and birds | feed on blood | obligate | adult | larvae |
| Animalia | Arthropoda | Hexapoda | Pterygota | Diptera | Chrysops | mammals and birds | feed on blood | obligate | adult | larvae |