supracretaceous

== English == === Alternative forms === supercretaceous === Etymology === From supra- +‎ cretaceous. === Adjective === supracretaceous (not comparable) (geology, archaic) Lying above the chalk. === References === “supracretaceous”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.