Tridentoinfundibulum gobi Tshoijo, in Popova, 1958

Figures

Synonyms: Cylicostephanus torbertae Lichtenfels and Klei, 1988

General: With characteristics of the genus. There are near 30 — 40 elements of ELC. They are longer than broad and longer than ILC, tips pointed; insertion point on tips of ILC. Elements of ILC identical in number to ELC or may appear to merge into ring.

Male: Body length 10-12 mm. Esophagus length 643-646. BC width 116-118, depth 25-30. Distance from anterior deirids and excretory pore to head end 399-522, spicules length — 1.14 — 1.30 mm. Gubernaculum length — 241-244, length of dorsal ray to base of externo-dorsal ray — 715 — 742. Dermal collar well developed on around genital cone. Appendages of genital cone — pair of fingershape protrusions. Nipple like protrusions of dermal collar placed laterally from them.

Female: Body length 13-16 mm, length of esophagus 664-726, width of BC 113-125, depth 29-33. Distance from anterior deirids and excretory pore to head end 312-555, from vulva to tail tip 1.04-1.08 mm. from anus to tail tip — 332-457, egg size 114-133 x 57-65. Tail conical, short.

Hosts: Equus caballus, E. caballus X E. asinus.

Locality: cecum, colon.

Distribution: Asia, Europe, North America.