Nematocarcinoidea is a superfamily of caridean shrimp, comprising four families – Eugonatonotidae, Lipkiidae, Nematocarcinidae, Rhynchocinetidae, and Xiphocarididae. Their shared feature is the presence of strap-like epipods on at least the first three pairs of pereiopods, and a blunt molar process.

...