These are mostly from the end of the cretaceous period and the beginning of the Eosin period. ये अंतिम क्रेटेशियस एवं आरंभिक इयोसीन काल के हैं।
परिभाषा
a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures पर्याय: bromeosin,
मोबाइल