Polychelida

Polychelida; Temporal range:
	Stereomastis sculpta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
(unranked):	Reptantia
Infraorder:	Polychelida; Scholtz & Richter, 1995
Families
	Coleiidae Van Straelen, 1925 †; Eryonidae De Haan, 1841 †; Palaeopentachelidae Ahyong, 2009 †; Polychelidae Wood-Mason, 1875; Tetrachelidae Beurlen, 1930 †;

Polychelida is an infraorder of decapod crustaceans. Fossil representatives are known dating from as far back as the Upper Triassic. A total of 38 extant species, all in the family Polychelidae, and 55 fossil species have been described.

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