Exoschizonidae

The Exoschizonidae are a family in the phylum Apicomplexa.

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

Levine 1971
Genus

Exoschizon

History

This family 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
  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
  2. Hukui (1939) J Fac Sci Hiroshima Univ 7: 17


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