OSTRACODES
Scrabble letter values: O1S1T1R1A1C3O1D2E1S1 = 13
Definition
OSTRACODES is the plural of OSTRACOD.
noun OSTRACOD: tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell.
Synonyms of OSTRACOD: seed_shrimp, mussel_shrimp