Crossword clues for the word: NEOCENE The word NEOCENE has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for NEOCENE Showing 1 to 10 of 10 results Clue(s) Division of the Tertiary period Early geologic period Epoch in the Tertiary period Geologic era Geologic time division (Var.) Geological time period that underwent a name change Part of the Cenozoic. Part of the Tertiary Period. Period in Earth's history Tertiary division