Ostracoda

plural noun Os·tra·co·da \ˌästrəˈkōdə, äˈstrakədə\

Definition of Ostracoda

  1. :  a subclass of crustacea comprising small active mostly freshwater forms having the body enclosed in a bivalve shell composed of right and left valves, the body segmentation obscured, the abdomen rudimentary, and only seven pairs of appendages

ostracodan

\-dən\ adjective

ostracodous

\-dəs\ adjective

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Origin and Etymology of ostracoda

New Latin, from Greek ostrakōdēs testaceous, from ostrakon potsherd, shell


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