Trichuris navonae is parasite found in forest dwelling mice, Akodon montensis, in South America, specifically within the Paranaense Forest.

Trichuris navonae has a long and narrow whip-like anterior body.

Males and females exhibit 1:1.2-1:1.4 ratio between anterior and posterior body length.

T. navonae have several features that distinguish them as a distinct species.

These distinguishable features include a cylindrical spicular sheath with sharp and fused spines, the absence of a spicular tube, and a non-protrusive vulva.