UROCHORDATES
Scrabble letter values: U1R1O1C3H4O1R1D2A1T1E1S1 = 18
Definition
UROCHORDATES is the plural of UROCHORDATE.
noun UROCHORDATE: primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva.
Synonyms of UROCHORDATE: tunicate, urochord