C. triramosus (Yorke and Macfie, 1920)
Ershov, 1939

Figures

Synonyms: Cylicostomum triramosum Yorke and Macfie, 1920; Trichonema triramosum (Yorke and Macfie, 1920) LeRoux, 1924

General: Posterior edge of MC situated at anterior edge of BC. Dorsal and ventral notches on mouth collar present. Amphids projects above MC surface. Tip of submedian papillae spindle-shaped, about 4 times as long as thick. Stalk of submedian papillae shorter than broad. ELC and ILC consists approximately 30 elements. Elements of ELC longer than ILC and longer than broad. Tips of elements of ILC rounded. Insertion point for posterior ends of elements of ILC on anterior edge of buccal capsule. Walls BC are concave. posterior ring of BC wall offset. Buccal cavity cylindrical. Dorsal gutter button-like. Esophageal funnel small, with thin cuticular lining. Excretory pore posterior to NR. Anterior deirids near middle of glandular esophagus. Esophagointestinal valve not elongated.

Male: Body length 7.8-11.3 mm. Esophagus length 0.75-1.12 mm. BC width 60-120, depth 22-50. Spicules length 2.20-2.97 mm. Gubernaculum length 204-278. Dorsal ray length 525-827. Ventral rays length equal to laterals. Dermal collar well developed on ventral side of genital cone. Appendages of genital cone consists of 2 semilunar plates with finger-shaped processes on the distal margin. Protrusions of dermal collar absent.

Female: Body length 11.6-14.2 mm, length of esophagus 0.96-1.19 mm, width of BC 83-154, depth 34-50, distance from vulva to tail tip 529-654, from anus to tail tip 176-232, egg size 54-82 x 38-46.

Hosts: Equus burchelli antiquorum, E. zebra hartmannae.

Locality: cecum, colon.

Distribution: Africa