Caulleryellidae

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Caulleryellidae
Scientific classification
Domain: Eukaryota
Kingdom: Chromalveolata
Superphylum: Alveolata
Phylum: Apicomplexa
Levine 1970
Class: Conoidasida
Levine 1988
Subclass: Gregarinasina
Dufour 1828
Order: Neogregarinorida
Grassé & Schrével 1953
Suborder: Schizogregarinina
Family: Caulleryellidae
Keilin 1914
Genera

Caulleryella
Tipulocystis

The Caulleryellidae are a family of parasitic protozoa in the phylum Apicomplexa. Species in this family mostly infect dipteran larvae.

History

This family was created by the parasitologist David Keilin in 1914.[1]

Taxonomy

There are two genera in this family - Caulleryella with five species and Tipulocystis with one.

The type species is Caulleryellida aphiochaetae.

Life cycle

Species in the family are generally spread by the orofaecal route. Replication occurs in the gut.

Development is extracellular. The parasites develop attached to the host cell by an epimerite.

Merogony occurs when nuclei are peripheral within the cell.

The merozoites form a bouquet structure around the parent cell.

The gamonts are elongate with an anterior neck.

The gametes have similar morphology.

The gametocysts give rise to 1-8 oocysts.

References

  1. Keilin D (1914) CR Soc Biol Paris 76 (1) 768
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