[Haskell-beginners] import question

[Galaxy Being]

I'm trying to use Decimal but (I'm guessing) I don't know how to import it.

import Data.Decimal

dList :: [Decimal]
dList = [1.1,1.2..2.0]

: <interactive>:70:11-17: error:
:     Not in scope: type constructor or class `Decimal'

Obviously I was asleep the day the teacher told us how to do this. . . .

LB
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