Fig. 16 in Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician)

Fig. 16. Rhynchorthoceras kranepuhlense sp. nov. from the Upper Red Orthoceratite Limestone. A. Striae of holotype MB.C.11730 (Kummerow Coll.) from Kranepuhl (Brandenburg), at wh = 16 mm. B–C. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of specimen MB.C.30492 (Neben & Krueger Coll.) from Oderberg (Brandenburg). D–E. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of specimen MB.C.30491 (Neben & Krueger Coll.) from Niederfinow (Brandenburg). F–G. Ontogenetic development of striae distance (in mm) and striae distance/whorl height of holotype MB.C.11730 (Kummerow Coll.) from Kranepuhl (Brandenburg). Blue dots = individual measurements, black lines = three data point averaged values. Scale bar units = 1 mm.