Fig. 1 in Stylophoran supertrees revisited

Fig. 1. Morphology of stylophorans; all reconstructions in lower aspect. A. The cornute Cothurnocystis elizae (Upper Ordovician, Scotland); redrawn and modified from Ubaghs (1967). B. The primitive stylophoran Ceratocystis perneri (Middle Cambrian, Bohemia); redrawn from Ubaghs (1967). C. The mitrate Chinianocarpos thorali (Lower Ordovician, Montagne Noire, France); redrawn from Jefferies (1986). Scale bars 5 mm.