Table 8 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)

Table 8. Conch ontogeny of Stockumites parallelus Korn & Weyer, 2023 from Gattendorf.
dmconch shapewhorl cross section shapewhorl expansion5 mmthickly discoidal; subinvoluteweakly depressed; moderately embracinglow(ww/dm ~ 0.54; uw/dm ~ 0.28)(ww/wh ~ 1.25; IZR ~ 0.30)(WER ~ 1.65)15 mmthickly discoidal; involuteweakly depressed; very strongly embracingmoderate(ww/dm ~ 0.55; uw/dm ~ 0.10)(ww/wh ~ 1.05; IZR ~ 0.50)(WER ~ 1.95)30 mmthickly discoidal; involuteweakly compressed; very strongly embracingModerate to high(ww/dm ~ 0.45; uw/dm ~ 0.00)(ww/wh ~ 0.70; IZR ~ 0.50)(WER = 1.90–2.00)2 mmthickly discoidal; subevolute (ww/dm ~ 0.58; uw/dm ~ 0.35)moderately depressed; strongly embracing (ww/wh ~ 1.60; IZR ~ 0.40)low (WER ~ 1.65)5 mmthickly discoidal; subinvolute (ww/dm ~ 0.58; uw/dm ~ 0.20)weakly depressed; very strongly embracing (ww/wh ~ 1.25; IZR ~ 0.50)moderate (WER ~ 1.80)15 mmthickly discoidal; involute (ww/dm ~ 0.50; uw/dm ~ 0.02)weakly compressed; very strongly embracing (ww/wh ~ 0.90; IZR ~ 0.50)high (WER ~ 2.05)30 mmthinly discoidal; involute (ww/dm ~ 0.40; uw/dm ~ 0.00)weakly compressed; very strongly embracing (ww/wh ~ 0.70; IZR ~ 0.50)high (WER ~ 2.00)