D2E1V4O1N1I1A1N1
12 points
DEVONIAN is validvalid
of or pertaining to a certain geologic time period [adj]
relating to a type of rock formed in the fourth period of the Palaeozoic era [adj]
of or pertaining to a certain geologic time period [adj]
relating to a type of rock formed in the fourth period of the Palaeozoic era [adj]