Nematocarcinoidea
Encyclopedia
Nematocarcinoidea is a superfamily of shrimp
, comprising three families – Eugonatonotidae, Nematocarcinidae and Rhynchocinetidae
. They share the presence of strap-like epipods on at least the first three pairs of pereiopods, and a blunt molar process. The family Xiphocarididae (containing the genus Xiphocaris) was formerly included.
Shrimp
Shrimp are swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. Adult shrimp are filter feeding benthic animals living close to the bottom. They can live in schools and can swim rapidly backwards. Shrimp are an important...
, comprising three families – Eugonatonotidae, Nematocarcinidae and Rhynchocinetidae
Rhynchocinetidae
The family Rhynchocinetidae are a group of small, reclusive red-and-white shrimp. This family typically has an upward-hinged foldable rostrum, hence its taxon name Rhynchocinetidae, which means movable beak. The family contains only two genera, Cinetorhynchus and Rhynchocinetes....
. They share the presence of strap-like epipods on at least the first three pairs of pereiopods, and a blunt molar process. The family Xiphocarididae (containing the genus Xiphocaris) was formerly included.