Heterakoidea

Heterakoidea

[‚hed·ə·rə′kȯid·ē·ə]
(invertebrate zoology)
A superfamily of parasitic nematodes of the order Ascaridida, characterized by small, well-developed lips with paired sensilla in the labial region, an infundibular stoma, and a rarely cylindrical esophagus divided into three parts.