Anteriornectophore with 7 complete longitudinal ridges. A characteristic feature is that the ventro-lateral ridges bend ventrad, slightly above the ostial level, and run down onto the mouth plate. Extensive hydroecium extending to well above ostial level, and largely open ventrally. Short somatocyst, usually club-shaped, but its outline is often difficult to discern. Posteriornectophore and eudoxid stage have not been described.
Kingdom Animalia Phylum Cnidaria Class Hydrozoa Subclass Siphonophorae Order Calycophorae Family Diphyidae Subfamily Diphyinae Genus Lensia Species Lensia havock