Table 90 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 90. Conch ontogeny of Weyerella molaris (Vöhringer, 1960) from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion2 mmthickly discoidal; subevolute to evolute (ww/dm ~0.55; uw/dm = 0.40–0.50)moderately depressed; moderately embracing (ww/wh ~1.85; IZR ~0.25)low (WER ~1.70)5 mmthickly discoidal; subevolute to evolute (ww/dm ~0.55; uw/dm = 0.40–0.50)moderately depressed; moderately embracing (ww/wh ~1.65; IZR ~0.20)moderate (WER ~1.80)10 mmthickly discoidal; subevolute (ww/dm ~0.55; uw/dm ~0.40)weakly depressed; strongly embracing (ww/wh ~1.40; IZR ~0.30)low (WER ~1.65)20 mmthinly discoidal; subevolute (ww/dm ~0.40; uw/dm ~0.30)weakly depressed; strongly embracing (ww/wh ~1.05; IZR ~0.40)low (WER ~1.70)