Definition of Malacostraca in English:


Line breaks: Mala|cos¦traca
Pronunciation: /ˌmaləˈkɒstrəkə


A large class of crustaceans which includes crabs, shrimps, lobsters, isopods, and amphipods. They have compound eyes, which are typically on stalks.
More example sentences
  • 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.


modern Latin (plural), from malaco- 'soft' + Greek ostrakon 'shell'.

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