 Dinosporin has been shown to be a significantly different biopolymer from algaenan, which demonstrates that dinoflagellates are able to produce a completely different biomacromolecule for their resting cysts.Previous descriptions of dinosporin having similar properties to sporopollenin were based on both compounds’ resistance to hydrolysis and high preservation potential.However, further research has instead shown that dinosporin is compositionally distinct.