podicipitiformes

NOUN
16 LETTERS · STARTS WITH P

podicipitiformes is a valid 16-letter word worth 28 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3O1D2I1C3I1P3I1T1I1F4O1R1M3E1S1
3 + 1 + 2 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does podicipitiformes mean?