At this time, microscopic algae were discovered and reported by a different group of workers (e.g., O. F. Müller and Ehrenberg) studying the Infusoria (microscopic organisms).
æt ðɪs tˈaɪm, mˌaɪkɹəskˈɑːpɪk ˈælɡiː wɜː dɪskˈʌvɚd ænd ɹᵻpˈoːɹɾᵻd baɪ ɐ dˈɪfɹənt ɡɹˈuːp ʌv wˈɜːkɚz ˈiː.dʒˈiː., ˈoʊ. ˈɛf. mˈuːlɚɹ ænd ˈeɪɹənbˌɜːɡ stˈʌdiɪŋ ðɪ ɪnfjuːsˈoːɹiə mˌaɪkɹəskˈɑːpɪk ˈɔːɹɡənˌɪzəmz.