Piroplasmida

{{Short description|Order of parasites in phylum Apicomplexa, vertebrate hosts, tick and leech vectors}}

{{Use dmy dates|date=May 2020}}

{{Automatic taxobox

| image = Babiesa spp.jpg

| image_alt = "Babesia" sp.

| image_caption = Babesia sp.

| taxon = Piroplasmida

| subdivision_ranks = Families and genera

| subdivision =

• incertae sedis
• Anthemosoma
• Babesia microti
• Babesiidae
• Babesia
• Echinozoon
• Entopolypoides
• Dactylosomatidae
• Dactylosoma{{cite journal |author=Manwell RD |title=The Genus Dactylosoma |journal=The Journal of Protozoology |volume=11 |issue=4 |pages=526–530 |year=1964 |doi=10.1111/j.1550-7408.1964.tb01792.x |pmid=14231179 }}
• Haemohormidium
• Theileriidae
• Haematoxenus
• Sauroplasma
• Theileria

}}

{{Piroplasmida}}

Piroplasmida is an order of parasites in the phylum Apicomplexa.{{cite web|url=http://cancerweb.ncl.ac.uk/cgi-bin/omd?piroplasmida|title=Definition: piroplasmida from Online Medical Dictionary|website=ncl.ac.uk|access-date=1 January 2019}}{{cite web|url=http://nature.british-towns.net/nature/05_family_menu.asp?GetLOID=832&page=1|title=PIROPLASMIDA; Page 1 of the families of the order; Piroplasmida|website=British Towns and Villages|access-date=1 January 2019}} They divide by binary fission and as sporozoan parasites they possess sexual and asexual phases (sexual reproduction occurs in the tick gut{{cite journal |vauthors=Rudzinska MA, Spielman A, Lewengrub S, Trager W, Piesman J |title=Sexuality in piroplasms as revealed by electron microscopy in Babesia microti |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=80 |issue=10 |pages=2966–70 |pmid=6574467 |pmc=393954 |doi=10.1073/pnas.80.10.2966|date=May 1983 |bibcode=1983PNAS...80.2966R |doi-access=free }}). They include the tick parasites Babesia and Theileria.{{cite web|url=http://cancerweb.ncl.ac.uk/cgi-bin/omd?Theileriidae|title=Definition: Theileriidae from Online Medical Dictionary|website=ncl.ac.uk|access-date=1 January 2019}}{{cite web|url=http://theileria.animaldiseases.org/index.php?Itemid=29&id=29&option=com_content&task=view|title=Theleriosis: The causal organism and life cycle|website=animaldiseases.org|access-date=1 January 2019|archive-url=https://web.archive.org/web/20071118090053/http://theileria.animaldiseases.org/index.php?option=com_content&task=view&id=29&Itemid=29|archive-date=18 November 2007|url-status=dead}}