labyrinthodonta
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
24
Scrabble Score
15
Letters
2
Syllables
11
Unique Chars
Meaning
An extinct order of Amphibia, including the typical genus Labyrinthodon , and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See Stegocephala .