On our CodyCross answers based website we have the solution for Fibrous protein from which turtle shells are made. 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 Fibrous protein from which turtle shells are made by scrolling down which is part of CodyCross Turtles and Tortoises Group Puzzle 4.