Nematospiroides
Animalia | Nematoda | Secernentea | Rhabditida | Heligmosomidae | Nematospiroides
Animalia | Nematoda | Secernentea | Rhabditida | Heligmosomidae | Nematospiroides
Heligmosomoides
Animalia | Nematoda | Chromadorea | Rhabditida | Heligmosomidae | Heligmosomoides