Trichuris trichuria

Etymology
Trichuris trichuria:

Trichuris: "hair" + "tail" (Latinisation of Greek: τριχ (trich) or θρίξ (thrix), meaning "hair" + οὐρά (oura), meaning "tail"undefined)

Trichuria: "hair" + "tail" + "-ia" (-ia suffix in Latin and Greek forms abstract feminine nounsundefined)

Synonyms
Also known as the whipworm, due to its whip-like appearance. The worm widens from its anterior end (the tail of the whip), to the posterior end (the handle of the whip).