A large class of crustaceans that includes crabs, shrimps, lobsters, isopods, and amphipods. They have compound eyes, which are typically on stalks.
- On the whole the maxillopodan groups Ostracoda and Cirripedia and the Malacostraca have left the most significant fossil records.
- Development ranges from direct to metamorphic among members of class Malacostraca.
- Maxillopoda and Malacostraca are by far the most diverse of the groups and contain most animals you might typically recognize as crustaceans.
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