CROSSOPTERYGIAN

Yes, CROSSOPTERYGIAN is a Scrabble word!

Letter values in Scrabble US: C 3, R 1, O 1, S 1, S 1, O 1, P 3, T 1, E 1, R 1, Y 4, G 2, I 1, A 1, N 1.C 3 · R 1 · O 1 · S 1 · S 1 · O 1 · P 3 · T 1 · E 1 · R 1 · Y 4 · G 2 · I 1 · A 1 · N 1

Is it a valid word?

• Scrabble US: valid, 23 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 23 points
• Scrabble UK: valid, 23 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 23 points
• Words with Friends: valid, 26 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 26 points