Table 9 in The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Table 9. Conch ontogeny of Pharciceras kayseri Wedekind, 1918.
dmconch shapewhorl cross section shapewhorl expansion30 mmthinly discoidal; subinvolute (ww/dm ~ 0.45; uw/dm ~ 0.28)weakly compressed; strongly embracing (ww/wh ~ 0.90; IZR ~ 0.40)low (WER ~ 1.70)50 mmextremely discoidal; subinvolute (ww/dm ~ 0.30; uw/dm ~ 0.25)weakly compressed; strongly embracing (ww/wh ~ 0.70; IZR ~ 0.40)moderate (WER ~ 1.75)75 mmextremely discoidal; subinvolute (ww/dm ~ 0.27; uw/dm ~ 0.25)weakly compressed; strongly embracing (ww/wh ~ 0.65; IZR ~ 0.40)moderate (WER ~ 1.80)