Haemogregarina

A genus of protozoa parasitic on fish. Includes coccidia that cause hepatic necrosis, castration and occlusion of the air bladder.

• H. sachae — participates in the production of a leech-vector-transmitted lymphoma in cultured turbot.

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Haemogregarina
Scientific classification
Domain: Eukaryota Kingdom: Chromalveolata Superphylum: Alveolata Phylum: Apicomplexa Class: Conoidasida Order: Eucoccidiorida Suborder: Adeleorina[1] Family: Haemogregarinidae Genus: Haemogregarina
Species
Haemogregarina balli Haemogregarina bettencourti Haemogregarina bigemina Haemogregarina delegai Haemogregarina georgianae Haemogregarina myoxocephali

Haemogregarina is a genus of hemoprotozoans, parasitic mainly in cold-blooded vertebrates. It was described in 1885 by Danilewsky from the european pond turtle (Emys orbicularis). They are unicellular organisms which are parasitic in the red blood cells.

References

1. ^ Merino S, Vásquez RA, Martínez J, et al. (2008). "A Sarcocystid misidentified as Hepatozoon didelphydis: molecular data from a parasitic infection in the blood of the Southern mouse opossum (Thylamys elegans) from Chile". J. Eukaryot. Microbiol. 55 (6): 536–40. doi:10.1111/j.1550-7408.2008.00358.x. PMID 19120800. http://dx.doi.org/10.1111/j.1550-7408.2008.00358.x. 

v • d • e SAR: Chromalveolata: Alveolata Ciliophora Postciliodesmatophora Heterotrichea (Stentor) · Karyorelictea (Loxodes) Intramacronucleata Spirotrichea (Stylonychia) · Litostomatea (Didinium, Balantidium) · Phyllopharyngea (Tokophrya) · Nassophorea (Nassula) · Colpodea (Colpoda) · Oligohymenophorea (Tetrahymena, Ichthyophthirius, Vorticella, Paramecium) · Plagiopylea (Plagiopyla) · Prostomatea (Coleps) Other Cryptocaryon Myzozoa Apicomplexa Aconoidasida Plasmodiidae/Haemosporida (Plasmodium, Haemoproteus, Leukocytozoon) Piroplasmida (Babesia, Theileria) Conoidasida Coccidia Eu- Adele- Haemogregarina, Hepatozoon, Karyolysus Eimeri- Cryptosporidiidae (Cryptosporidium) Eimeriidae (Isospora, Cyclospora, Eimeria) Sarcocystidae (Toxoplasma, Sarcocystis, Besnoitia, Neospora) Agamo- Rhytidocystidae (Rhytidocystis) Gregarinia Gregarinasina (Gregarina) Colpodellidae Colpodella Related Chromera Dinoflagellata Dinokaryota With a theca: Peridiniales (Pfiesteria, Peridinium) · Gonyaulacales (Ceratium, Gonyaulax) · Prorocentrales (Prorocentrum) · Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Without theca: Gymnodiniales (Gymnodinium, Karenia, Karlodinium, Amphidinium) · Suessiales (Polarella, Symbiodinium) Noctilucales (Noctiluca) Syndinian Syndiniales: Amoebophryaceae (Amoebophyra) · Duboscquellaceae (Duboscquella) · Syndiniaceae (Hematodinium, Syndinium) Other Oxyrrhis Related Perkinsus

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