Schrank, 2004
From dinoflaj3
Schrank, E., 2004: A gymnosperm pollen not a dinoflagellate: a new combination for Mendicodinium? quadratum and description of a new pollen species from the Jurassic of Tanzania. Review of Palaeobotany and Palynology, v.131, p.301-309, pl.1-2.