A class of minute aquatic crustaceans that have a hinged shell from which the antennae protrude, and a reduced number of appendages.‘Hemoglobins have been described in a select number of crustacean groups, including the Branchiopoda, Ostracoda, Copepoda, Cirrepedia, and Decapoda.’
- ‘Hemoglobin is present in Branchiopoda, Ostracoda, Copepoda, rhizocephalan Cirripedia and one suborder of amphipodan Malacostraca.’
- ‘On the whole the maxillopodan groups Ostracoda and Cirripedia and the Malacostraca have left the most significant fossil records.’
- ‘Crustaceans possessing many primitive features tend to have myogenic hearts, although neurogenicity is dominant in the more advanced malacostracan groups and possibly members of the Ostracoda.’
- ‘The Ostracoda are one of the most successful crustacean groups with approximately 8000 living species.’
Modern Latin (plural), from Greek ostrakōdēs ‘testaceous’, from ostrakon ‘shell’.
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