Table 73 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 73. Conch ontogeny of Gattendorfia schmidti sp. nov. from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion2 mmthickly discoidal; evolute (ww/dm ~0.50; uw/dm ~0.50)moderately depressed; moderately embracing (ww/wh ~1.90; IZR ~0.15)low (WER ~1.60)5 mmthinly discoidal; evolute (ww/dm ~0.40; uw/dm ~0.60)moderately depressed; moderately embracing (ww/wh ~1.80; IZR ~0.15)low (WER ~1.55)15 mmthickly discoidal; subevolute (ww/dm ~0.50; uw/dm ~0.40)moderately depressed; strongly embracing (ww/wh ~1.75; IZR ~0.30)low (WER ~1.70)30 mmthickly discoidal; subinvolute (ww/dm ~0.50; uw/dm ~0.25)weakly depressed; strongly embracing (ww/wh ~1.25; IZR ~0.40)moderate (WER ~1.80)30 mmthinly discoidal; subinvolute (ww/dm ~0.42; uw/dm ~0.20)weakly compressed; strongly embracing (ww/wh ~0.90; IZR ~0.40)moderate (WER ~1.85)