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Solmundella bitentaculata (Figure 3.17d) has two tentacles that are held in front of the bell (aboral side) as it swims, forming a cylindrical or conical volume of about three bell diameters in front of the bell.

Aeginopsis laurentii is another D‐type (Figure 3.17d) predator but with four tentacles that extend out in front of the bell in a cone. Like Solmundella, Aeginopsis is a mesopelagic species and little information is available on diet.

Solmaris is a narcomedusan genus with several species living at epi‐ and mesopelagic depths. It conforms to the narcomedusan D‐type tentacle deployment; it has an array of several tentacles forming a larger cone.