Fig. 6 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 6. Pseudoprobeloceras pernai (Wedekind, 1918). A. Suture line of specimen MB.C.30417.1 (Etzold 1910 Coll.) from Oberscheld ("Tiefe Grube"), at dm = 27.0 mm, ww = 9.0 mm, wh = 11.0 mm. B. Suture line of specimen MB.C.30418, probably from Oberscheld, at dm = 48.3 mm, ww = 11.9 mm, wh = 15.6 mm. C–F. Ontogenetic trajectories of the cardinal conch parameters. Scale bar units = 1 mm.