Crossword clues for the word: ECHIDNAS The word ECHIDNAS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for ECHIDNAS Showing 1 to 7 of 7 results Clue(s) "Knuckles and Shade, in the ""Sonic the Hedgehog"" universe" Ant-eating burrowers Egg-laying mammals Hard cutting smooth 22s up to form spiky layers Quill-covered critters native to Australia Spiny anteaters Spiny egg-laying mammals