Is “Crossopterygian” a Scrabble word?
Yes
CROSSOPTERYGIAN
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Crossopterygian
noun
1.One of the Crossopterygii.
adjective
1.Of or pertaining to the Crossopterygii, an infraclass of bony fish.