subclass prototheria

NOUN
20 LETTERS · STARTS WITH S

subclass prototheria is a valid 20-letter word worth 28 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1U1B3C3L1A1S1S1P3R1O1T1O1T1H4E1R1I1A1
1 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does subclass prototheria mean?

NOUN · 1 SENSE
1

Echidnas; platypus.

SYNONYMS
BROADER