Molecular clock and biogeochemical evidence indicate that the dinoflagellate lineage diverged at around 650 Ma. Unequivocal dinoflagellate cysts/zygotes appeared during the Triassic. These biotas were badly affected by the end-Triassic extinction and recovery from this was relatively slow. https://www.spidertattooz.com/Wickelfalzrohr-o-100-mm-Lange-1000-mm-bis-100-C/