Polychelida
| Polychelida Temporal range: | |
|---|---|
| Stereomastis sculpta | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Clade: | Reptantia |
| Infraorder: | Polychelida Scholtz & Richter, 1995 |
| Families | |
| |
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.