amphibian family

NOUN
16 LETTERS · STARTS WITH A

amphibian family is a valid 16-letter word worth 32 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1M3P3H4I1B3I1A1N1F4A1M3I1L1Y4
1 + 3 + 3 + 4 + 1 + 3 + 1 + 1 + 1 + 0 + 4 + 1 + 3 + 1 + 1 + 4 =32 PTS
DOUBLE WORD → 64TRIPLE WORD → 96
MEANING

What does amphibian family mean?