en Exoschizon

Exoschizon
Scientific classification
Domain:	Eukaryota
(unranked):	Sar
(unranked):	Alveolata
Phylum:	Apicomplexa
Class:	Conoidasida
Subclass:	Gregarinasina
Order:	Archigregarinorida
Family:	Exoschizonidae
Genus:	Exoschizon

Exoschizon is a genus in the phylum Apicomplexa.

History

This genus was created by Levine in 1971.^[1]

Taxonomy

There is one genus currently recognised in this family - Exoschizon. This genus has only one species - Exoschizon siphonosomae - which was described by Hukui in 1939.^[2]

Description

This species was found in the intestine of a sipunculid worm (Siphonosoma cumanense) in Japan.

The meronts measure 90 µm × 15 µm. There are ~13 longitudinal striations per side.

The meronts and gamonts are similarly shaped.

Transmission is presumably by the orofaecal route.

References

^ Levine ND (1971) Taxonomy of the Archigregarinorida and Selenidiidae (Protozoa, Apicomplexa) J Euk Microbiol 18 (4) 704–717 doi:10.1111/j.1550-7408.1971.tb03401.x
^ Hukui (1939) J Fac Sci Hiroshima Univ 7: 17

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[Levine1971-1] Levine ND (1971) Taxonomy of the Archigregarinorida and Selenidiidae (Protozoa, Apicomplexa) J Euk Microbiol 18 (4) 704–717 doi:10.1111/j.1550-7408.1971.tb03401.x

[Hukui1939-2] Hukui (1939) J Fac Sci Hiroshima Univ 7: 17

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