Table 13 in The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Table 13. Conch ontogeny of Pharciceras ferrum sp. nov.
dmconch shapewhorl cross section shapewhorl expansion30 mmthinly discoidal; subevolute (ww/dm ~ 0.42; uw/dm ~ 0.32)weakly depressed; strongly embracing (ww/wh ~ 1.05; IZR ~ 0.35)low (WER ~ 1.70)50 mmextremely discoidal; subevolute (ww/dm ~ 0.33; uw/dm ~ 0.32)weakly compressed; strongly embracing (ww/wh ~ 0.80; IZR ~ 0.35)moderate (WER ~ 1.75)75 mmextremely discoidal; subevolute (ww/dm ~ 0.30; uw/dm ~ 0.32)weakly compressed; strongly embracing (ww/wh ~ 0.70; IZR ~ 0.35)moderate (WER ~ 1.80)