Type host: Vespertilio murinus Linnaeus, 1758, Frosted bat.

Other hosts: None reported to date.

Type locality: ASIA: Russia,Nakhichevanskoi.

Geographic distribution: ASIA: Russia.

Description of oocyst: Oocyst shape: described as ovoidal, but illustrated as subspheroidal; number of walls: 2 (original description) or 3 (line drawing); wall thickness: ~3.0; wall characteristics: of uniform thickness, outer smooth, colorless, ~1.5; inner smooth, yellowiish, ~1.5; their line drawing shows a third, innermost layer that is thin and dark; L x W: 25.0 x 21.0 (20-27 x 18-24); L/W ratio: 1.2; M: absent; OR: present; OR characteristics: a spheroid, homogenous, lipid-like globule; PG: 1, small. Distinctive features of oocyst: thick, 2-3 layered wall and OR a lipid-like globule.

Description of sporocysts and sporozoites: Sporocyst shape: ovoidal, highly pointed at one end; L x W: 9.0 x 5.0 (6-10 x 4-6); L/W ratio: 1.8; SB: present, prominent; SSB: absent; PSB: absent; SR: present; SR characteristics: a few scattered granules; SP: small, bean-shaped, without RB. Distinctive features of sporocyst: highly pointed shape with small, bean-shaped SP (degenerate?).

Prevalence: 1/1 (100%)/

Sporulation: Exogenous. Oocysts sporulated in 3 days in 2.5% aqueous (w/v) potassium dichromate solution at 25-30 C.

Prepatent and patent periods: Unknown.

Site of infection: Unknown. Oocysts recovered from intestinal contents.

Materials deposited: None.

Remarks: This species has not been recorded since its original description.

References: Musaev and Veisov (1961).