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Genus Palaemon

Grass Shrimp - Palaemon vulgaris Palaemon intermedius Palaemon intermedius Shore Shrimp - Palaemon pugio Palaemon Palaemon pugio Rockpool Shrimp - Palaemon elegans Rockpool Shrimp - Palaemon elegans
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Eucarida (Eucarida (Crabs, Crayfish, Shrimp, etc.))
Order Decapoda (Crabs, Crayfishes, Lobsters, Prawns, and Shrimp)
Infraorder Caridea (Caridean shrimps)
Family Palaemonidae
Genus Palaemon
Numbers
3 native species in southern New England(1); 92 species worldwide listed in WoRMS.
Identification
A good view of the rostrum is needed for a species ID.
Range
Worldwide, marine, brackish, fresh.
Internet References
Works Cited
1.Keys to Marine Invertebrates of the Woods Hole Region
Smith R.I. 1964. Woods Hole Oceanographic Institute.