Coronocyclus coronatus (Looss, 1900) Hartwich, 1986

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Synonyms: Cyathostomum coronatum Looss, 1900; Cylichnostomum coronatum (Looss, 1900) Looss, 1902; Cylicostomum coronatum (Looss, 1900) Gedoelst, 1903; Trichonema coronatum (Looss, 1900) Le-Roux, 1924; Cylicostomias coronata (Looss, 1900) Cram, 1925; Erschowinema coronatum (Looss, 1900) Tshoijo, 1957; Trichonema subcoronatum Yamaguti, 1943

General: Tip of submedian papillae bulbous, twice as long as thick. ELC with20-22 long, pointed, leaf-like elements; ILC with 72 –80 shorter, thin, palisade-like elements. ILC inserted at 1/5 to 1/4 of BC depth; Proximal branch of dorsal ray overlaps origin of middle branch. Support for ELC separate from BC, elongate, spindle-shaped. Optical section of wall of buccal capsule with medial bend near middle of cylinder. Dorsal gutter not evident. Esophageal teeth not prominent.

Male: Body length 6.84-10.28 mm. Esophagus length 360-520. BC width 62-92, depth 32-40. Distance from anterior deirids to head end 320-376. Spicule length 0.720-1.350 mm. Gubernaculum length 156-210. Dorsal ray length 502-717. Ventral rays length equal to laterals. Appendages of genital cone in form of2 oval formations, fused at medial line with numerous sets similar with C. longibursatus and C. sagittatus.

Female: Body length 7.5-10.47 mm. Esophagus length 400-683 BC width 68-126; depth 38-44. Anterior end to: anterior deirids 352-450. Vulva to tail tip 224-315.Anus to tail tip 150-223.Vagina length 280-360.Egg size 92-103?44-55. Sublateral protrusions near vulva undeveloped. Vagina longer than sphincter of ovejector. Infundibulum length about equal to sphincter length.

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

Locality: cecum, colon.

Distribution: cosmopolitan.