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Scientific classification
Domain: Eukaryota
(unranked): SAR
(unranked): Alveolata
Phylum: Apicomplexa
Class: Conoidasida
Order: Eucoccidiorida
Suborder: Adeleorina
Family: Adeleidae
Genus: Orcheobius
Schuberg & Kunze, 1906

Orcheobius carinii
Orcheobius herpobdellae

Orcheobius is a genus of parasitic alveolates of the phylum Apicomplexa.[1]


The genus was created by Schuberg and Kunze in 1906.

The genus Cariniella was synonymised with Orcheobius by Levine in 1980.[2]


There are two species known in this genus.


The oocysts have 25 or more sporocysts.

Each sporocyst produces 4 sporozoites.

The gamonts are elongated.

During syngny, four microgametes associate with the macrogamete. One microgamete penetrates the macrogamete and the remaining three die off.

Host records[edit]


  1. ^ Schuberg &. Kunze (1906) Ein Coccidium aus Herpobdella atomariu Car. (Nephelis vulgaris Moq.-Tand.). Arch Protistenk 9, 382-429
  2. ^ Some corrections of coccidian (Apicomplexa: Protozoa) nomenclature. Levine, N. D (1980) J Parasitol 66 (5) 830-834 DOI 10.2307/3280679