Fig. 41 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 41. Septum distances in Lituites perfectus Wahlenberg, 1818 from the Upper Grey Orthoceratite Limestone. Upper row = empirical data points; lower row = three data points averaged. A–B. Specimen MB.C.30542 (Neben Coll.) from Niederfinow (Brandenburg). C–D. Specimen MB.C.30543 (Krueger Coll.) from Oderberg (Bralitz) (Brandenburg). E–F. Specimen MB.C.11646 (Kgl. Forstakademie Eberswalde Coll.) from Eberswalde (Brandenburg).