Fig. 6 in Sexual dimorphism in the Bathonian morphoceratid ammonite Polysphinctites tenuiplicatus

Fig. 6. Morphoceratid ammonite Polysphinctites tenuiplicatus (Brauns, 1865) [M and m], Lower Bathonian, Polysphinctites tenuiplicatus Zone, Polish Jura, Kawodrza Górna and Faustianka. Representative whorl sections (A–D, E1), body chamber gray; and septal suture lines (E, E2, G–I). A–D, G. Macroconchs, females. A. GIUS 8-2736. B.GIUS 8 -2715. C. GIUS 8-2713. D. GIUS 8-2735. G. GIUS 8-2595. E, F, H, I. Microconchs, males. E. GIUS 8-2590. F. GIUS 8-2616. H. GIUS 8-2702. I . IGPUW/J/129. Nomenclature: E, external lobe; L, lateral lobe.