Fig. 3 in A new coral with simplified morphology from the oldest known Hettangian (Early Jurassic) reef in southern France

Fig. 3. Hettangian (Early Jurassic) zardinophyllid coral Cryptosepta gen. nov. from Ucel, Ardèche, France. A. Holotype (sample S6; MHNG 2013-34), global view of the colony. Corallites can be observed on both faces of the sample (A1, A2). B. Holotype (sample S6c; MHNG 2013-37), transverse and longitudinal corallite sections (B1); transverse section, juvenile stage (B2), characterised by a thick wall and only one septum (white arrow). C. Corallite sample MG156c; MHNG 2013-40), transverse and longitudinal sections (C1); transverse section, adult stage (C2), characterised by a fine wall and relatively high number of septa. The septa are long and fine as well as short and thick.