On our CodyCross answers based website we have the solution for Remains of a once living thing preserved in rock. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Remains of a once living thing preserved in rock by scrolling down which is part of CodyCross Collective Nouns Group Puzzle 20.