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[os-truh-kod] /ˈɒs trəˌkɒd/
1860-65; < New Latin Ostracoda name of the subclass < Greek ostrakṓdēs, equivalent to óstrak(on) shell, tile (see ostracize) + -ōdēs -ode1
Related forms
[os-truh-kohd-n] /ˌɒs trəˈkoʊd n/ (Show IPA),
ostracodous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ostracod
  • Fragmented shells of freshwater molluscs and an ostracod occur within a marlstone bed.
  • Additional variation in ostracod species richness was further explained by water and sediment depth.
British Dictionary definitions for ostracod


any minute crustacean of the mainly freshwater subclass Ostracoda, in which the body is enclosed in a transparent two-valved carapace
Derived Forms
ostracodan (ˌɒstrəˈkəʊdən), ostracodous, adjective
Word Origin
C19: via New Latin from Greek ostrakōdēs having a shell, from ostrakon shell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for ostracod

mussel shrimp

any of a widely distributed group of crustaceans resembling mussels. Mussel shrimp differ from most crustaceans in having a very short trunk that has lost its external segmentation, or divisions. Nearly all of the body is encased in a hard covering, or carapace. The 2,000 living species include marine, freshwater, and terrestrial forms

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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