Table 67 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 67. Conch ontogeny of Gattendorfia rhenana sp. nov. from Oberrödinghausen and Hasselbachtal.
dmconch shapewhorl cross section shapewhorl expansion7 mmdiscoidal; evolute (ww/dm ~0.45; uw/dm ~0.55)moderately depressed; weakly embracing (ww/wh ~1.75; IZR ~0.15)low (WER ~1.70)15 mmthickly discoidal; evolute (ww/dm ~0.58; uw/dm ~0.50)moderately depressed; moderately embracing (ww/wh ~1.95; IZR ~0.25)low (WER ~1.70)30 mmthickly discoidal; subevolute (ww/dm ~0.55; uw/dm ~0.40)moderately depressed; moderately embracing (ww/wh ~1.65; IZR ~0.25)moderate (WER ~1.90)50 mmthickly discoidal; subevolute (ww/dm ~0.55; uw/dm ~0.35)weakly depressed; moderately embracing (ww/wh ~1.45; IZR ~0.25)moderate (WER ~1.90)