Table 13 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Table 13. Conch ontogeny of Stockumites nonaginta sp. nov. from Gattendorf.
dmconch shapewhorl cross section shapewhorl expansion2 mmthinly pachyconic; subevolute (ww/dm ~ 0.68; uw/dm ~ 0.35)moderately depressed; strongly embracing (ww/wh ~ 1.80; IZR ~ 0.40)low (WER ~ 1.70)5 mmthickly discoidal; subinvolute (ww/dm ~ 0.70; uw/dm ~ 0.15)weakly depressed; very strongly embracing (ww/wh ~ 1.45; IZR ~ 0.50)low (WER ~ 1.70)15 mmthinly pachyconic; involute (ww/dm ~ 0.65; uw/dm ~ 0.02)weakly depressed; very strongly embracing (ww/wh ~ 1.15; IZR ~ 0.55)moderate (WER ~ 1.85)30 mmthickly discoidal; involute (ww/dm ~ 0.48; uw/dm ~ 0.00)weakly compressed; very strongly embracing (ww/wh ~ 0.85; IZR ~ 0.50)high (WER ~ 2.05)