Megasphaerella doppelsteini n.g., n. sp., an enigmatic microfossil from the Lower Jurassic (Upper Pliensbachian) of Buttenheim (Franconia, S Germany). Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen, 306(1), Oct 2022: 29-35. 32 [Zoological Record Volume 159]