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

Selenidioides axiferens
Selenidioides caulleryi
Selenidioides fanthami
Selenidioides giganteum
Selenidioides grassei
Selenidioides hawesi
Selenidioides hollandei
Selenidioides intraepitheliale
Selenidioides mesnili
Selenidioides metchnikovi
Selenidioides potamillae
Selenidioides sipunculi

Selenidioides are a genus of parasitic alveolates in the phylum Apicomplexa. Species in this genus infect marine invertebrates.


The order Archigregarinorida was redefined by Levine in 1971.[1] This reorganisation lead to the creation of two new families (Exoschizonidae and Selenidioididae) and several genera including Selenidioides.

There are 11 species in this genus.


Life cycle[edit]

The parasites in the genus infect the gastrointestinal tract and are presumably transmitted by the orofaecal route but the details of this mechanism are presently unknown.


  1. ^ Levine N D (1971) Taxonomy of the Archigregarinorida and Selenidiidae (Protozoa, Apicomplexa) J Euk Micro 18 (4) 704-717 DOI: 10.1111/j.1550-7408.1971.tb03401.x