ostracoda
Word Rarity
Very rare
Frequency: Zipf frequency 1.03 in modern English
12
Scrabble Score
9
Letters
4
Syllables
7
Unique Chars
Meaning
An order of Entomostraca possessing shrimplike bodies enclosed in hard bivalve shells; called also seed shrimp and mussel shrimp . They were formerly referred to as Ostracoidea . They are of small size, and swim freely about; many are less than 1 mm in length. Microfossils of certain extinct orders have been found extending back to the Cambrian age.