''Koelga'' is an extinct genus of

prawn Prawn is a common name for small aquatic crustaceans with an exoskeleton An exoskeleton () . is a skeleton that is on the exterior of an animal in the form of hardened integument, which both supports the body's shape and protects the intern ...

in the order

Decapoda The Decapoda or decapods, from Ancient Greek δεκάς (''dekás''), meaning "ten", and πούς (''poús''), meaning "foot", is a large order of crustaceans within the class Malacostraca, and includes crabs, lobsters, crayfish, shrimp, a ...

. It contains the species ''Koelga curvirostris'' and ''Koelga muensteri''.

References

Penaeidae Prehistoric crustacean genera Jurassic crustaceans Fossils of Germany {{Dendrobranchiata-stub