ichthyosauria
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
24
Scrabble Score
13
Letters
1
Syllables
10
Unique Chars
Meaning
An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia . They have not been found later than the Cretaceous period.