''Orcheobius'' is a genus of parasitic alveolates of the
phylum
In biology, a phylum (; plural: phyla) is a level of classification or taxonomic rank below kingdom and above class. Traditionally, in botany the term division has been used instead of phylum, although the International Code of Nomenclature f ...
Apicomplexa.
[Schuberg &. Kunze (1906) Ein Coccidium aus ''Herpobdella atomariu'' Car. (Nephelis vulgaris Moq.-Tand.). Arch Protistenk 9, 382-429]
History
The genus was created by Schuberg and Kunze in 1906.
The genus ''Cariniella'' was synonymised with ''Orcheobius'' by Levine in 1980.
[Some corrections of coccidian (Apicomplexa: Protozoa) nomenclature. Levine, N. D (1980) J Parasitol 66 (5) 830-834 DOI 10.2307/3280679]
Taxonomy
There are two species known in this genus.
Description
The
oocyst
Apicomplexans, a group of intracellular parasites, have life cycle stages that allow them to survive the wide variety of environments they are exposed to during their complex life cycle. Each stage in the life cycle of an apicomplexan organism i ...
s have 25 or more
sporocysts.
Each sporocyst produces 4
sporozoites.
The
gamonts are elongated.
During syngny, four