Table 39 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 39. Conch ontogeny of Stockumites voehringeri sp. nov. from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion2 mmthickly pachyconic; subevolute (ww/dm ~0.80; uw/dm ~0.42)strongly depressed; strongly embracing (ww/wh ~2.50; IZR ~0.35)moderate (WER ~1.80)5 mmthinly globular; subinvolute (ww/dm ~0.90; uw/dm ~0.25)strongly depressed; very strongly embracing (ww/wh ~2.00; IZR ~0.45)moderate (WER ~1.80)15 mmthickly pachyconic; involute (ww/dm ~0.75; uw/dm ~0.05)weakly depressed; very strongly embracing (ww/wh ~1.30; IZR ~0.55)moderate (WER ~1.95)30 mmthickly discoidal; involute (ww/dm = 0.50–0.60; uw/dm ~0.00)weakly compressed to weakly depressed; very strongly embracing (ww/wh = 0.90–1.10; IZR ~0.50)moderate (WER = 1.80– 1.95)50 mmthickly discoidal; involute (ww/dm = 0.45–0.55; uw/dm ~0.00)weakly compressed; very strongly embracing (ww/wh = 0.80–0.90; IZR ~0.50)Moderate to high (WER = 1.90– 2.05)