PTERIDOSPERMS
Scrabble letter values: P3T1E1R1I1D2O1S1P3E1R1M3S1 = 20
Definition
PTERIDOSPERMS is the plural of PTERIDOSPERM.
noun PTERIDOSPERM: an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae).
Synonyms of PTERIDOSPERM: seed_fern