Parapoteriostomum mongolica
(Tshoijo in Popova, 1958) Lichtenfels et al., 1998

Figures

Synonyms: Cylicodontophorus mongolica Tshoijo in Popova, 1958

General: Medium-sized Cyathostominea. Posterior edge of MC situated at anterior edge of BC. ELC elements markedly more numerous (54-60) than elements of ILC (33-38). ILC more than twice as long as ELC. Insertion point of ILC at more than ½ depth of BC, ventrally and dorsally, but at ¼ of BC depth laterally. Dorsal gutter button-like Esophageal funnel moderately developed, with thick cuticular lining.

Male: Body length 7.0-8.1 mm. Esophagus length 370-420. BC width 99-150, depth 39-44 . distance from anterior deirids to head end 403-448, from excretory pore— 381-454. Spicule length 1.57-1.85 mm, Gubernaculum length 183-213. Length of dorsal ray 0.336-0.392. Dermal collar poorly developed on proximal part of ventral side of genital cone. Appendages of genital cone and protrusions of dermal collar absent.

Female: Body length 8.3-11.6 mm, length of esophagus 437-504, width of BC 99-150, depth 39-50 (021-33 according Tshojo, 1957), distance from anterior deirids to head end 420-504, from excretory pore— 414-492, , distance from vulva to tail tip 246-314, from anus to tail tip — 162-241, eggs size 105-111x50-54

Hosts: Equus caballus.

Locality: cecum, colon.

Distribution: Asia.