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is a superfamily of 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 only eleven species. Six of these are in the genera Procaris
Procaris is a genus of shrimp in the family Procarididae. It contains the following species:*Procaris ascensionis Chace & Manning, 1972*Procaris chacei Hart & Manning, 1986*Procaris hawaiana Holthuis, 1973...
, which together make up the family
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
. The remaining five species are only known from fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
s and belong to the genus Udora
, which cannot yet be assigned to any family. Use of molecular phylogenetics suggests that Procaridoidea is the sister group to the remaining Caridea, and may therefore warrant recognition as a separate infraorder, Procarididea