Parasitology Parasite Classes

Cystoisospora spp.

Taxonomic group: Protozoan

Location: Digestive tract

Subgroup, common name, and/or other relevant comments:

Referred to as coccidia, our small animal coccidia

Giardia Intestinalis

Taxonomic group: Protozoa

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: Parasite with a direct lifestyle, has life stages of trophozoites and cysts

Trichomonas foetus

Taxonomic group: Protozoa

Location: digestive tract in small animals, urogenital system in large animals

Subgroup, common name, and/or other relevant comments: Direct lifestyle trophozoites die quickly in external environment, agent cause GI

Ancylostoma sp

Taxonomic group: Nematode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: hookworms

Toxocara spp.

Taxonomic group: Nematode

Location: Digestive tracts

Subgroup, common name, and/or other relevant comments: Roundworms

Trichuris vulpis

Taxonomic group: Nematode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: whipworms

Diphyllobothrium latum

Taxonomic group: Cestode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: Dibothriocephalus sp. Cestode with marine lifecycle, definitive host is piscivorous (fish eating)

Echinococcus spp.

Taxonomic group: Cestode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: cestode transmitted through scavenging/predation

Taenia spp.

Taxonomic group: Cestode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: cestode transmitted through scavenging/predation

Diphylidium caninum

Taxonomic group: Cestode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: cestode transmitted through ingestion of an arthropod (e.g. flea)

Paragonimus kellicotti

Taxonomic group: Trematode

Location: Respiratory tract

Subgroup, common name, and/or other relevant comments: digeneans have snails as a 1st Intermediate Host

Nanophyetus salmincola

Taxonomic group: Trematode

Location: Digestive

Subgroup, common name, and/or other relevant comments: digenean fluke that causes salmon poisoning disease, harbors rickettsial organism that causes the disease

Strongyloides stercoralis

Taxonomic group: Nematode

Location: Digestive tract

Subgroup, common name, and/or other relevant comments: nematode seen in small animals, horses, ungulates

Toxoplasma gondii

Taxonomic group: Protozoan

Location: Multiple body systems

Dirofilaria immitis

Taxonomic group: Nematode

Location: Non-digestive, vascular system

Subgroup, common name, and/or other relevant comments: vector borne nematode

Dioctophyma renale

Taxonomic group: Nematode

Location: Non-digestive, kidney

Subgroup, common name, and/or other relevant comments: nematode in kidney