Table 26 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 26. Conch ontogeny of Stockumites intermedius (Schindewolf, 1923) from Oberrödinghausen, bed 5.
dmconch shapewhorl cross section shapewhorl expansion2 mmthinly pachyconic; evolute (ww/dm ~0.70; uw/dm ~0.45)strongly depressed; moderately embracing (ww/wh ~2.35; IZR ~0.25)low (WER ~1.55)5 mmthinly pachyconic; subevolute (ww/dm ~0.70; uw/dm ~0.40)moderately depressed; very strongly embracing (ww/wh ~1.95; IZR ~0.45)low (WER ~1.60)15 mmthinly pachyconic; involute (ww/dm ~0.70; uw/dm ~0.05)weakly depressed; very strongly embracing (ww/wh ~1.35; IZR ~0.50)moderate (WER ~1.80)30 mmthinly pachyconic; involute (ww/dm ~0.65; uw/dm ~0.00)weakly depressed; very strongly embracing (ww/wh ~1.10; IZR ~0.50)moderate (WER ~1.95)50 mmthickly discoidal; involute (ww/dm ~0.55; uw/dm ~0.00)weakly compressed; very strongly embracing (ww/wh ~0.90; IZR ~0.50)moderate (WER ~1.95)