Alveocystis

Alveocystis is a genus in the phylum Apicomplexa. Species in this genus infect worms of the family Priapuloidea and molluscs. This genus has been poorly studied and little is known about it.

Alveocystis
Scientific classification
Kingdom: Chromista
Superphylum: Alveolata
Phylum: Apicomplexa
Class: Conoidasida
Order: Eucoccidiorida
Family: Eimeriidae
Genus: Alveocystis
Bel'tenev, 1980
Species

Alveocystis cleopatri
Alveocystis gugleri
Alveocystis intestinalis
Alveocystis macrocoronata

History

This genus was created by Bel'tenev in 1980.[1]

The recognised first species of this genus was Alveocystis macrocoronata by Lüling in 1942.[2]

Taxonomy

Four species are recognised in this genus. Morphologically they resemble members of the genus Pfeifferinella.

Description

The oocysts have no sporocysts. A distinct convex micropyle is usually present at one end of the oocyst. Within each oocyst there are 8 or more free sporozoites and a large oocyst residuum.

References
  1. Bel'tenov, AE (1980) Alveocystis intestinalis n. sp., n. gen. - a new species of coccidian from the intestine of Priapulida. Voprosy Parasitl Voddnyk Bespozvon. Zhivotnykh (Temat. Sbornik), Vilnyus, USSR 1980:10-11
  2. Luling KH (1943) Uber eine neue Coccidie im Darm der Pripuliden: Priapulus caudatus (Lam.) und Halicryptus spinulosus (v. Sieb.). Archiv für Protistenkunde 96:39-74


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