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Malacostraca

Syllabification: (Mal·a·cos·tra·ca)

Zoology
Definition of Malacostraca
  • a large class of crustaceans that includes crabs, shrimps, lobsters, isopods, and amphipods. They have compound eyes, which are typically on stalks.

Origin:

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

Malacostraca in other Oxford dictionaries

Definition of Malacostraca in the British & World English dictionary