Table 22 in The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Table 22. Conch ontogeny of Lunupharciceras lunulicosta (Sandberger & Sandberger, 1850).
dmconch shapewhorl cross section shapewhorl expansion5 mmthinly discoidal; subevolute (ww/dm ~ 0.45; uw/dm ~ 0.40)weakly depressed; moderately embracing (ww/wh ~ 1.45; IZR ~ 0.20)moderate (WER ~ 1.80)10 mmthinly discoidal; evolute (ww/dm ~ 0.40; uw/dm ~ 0.45)weakly depressed; moderately embracing (ww/wh ~ 1.25; IZR ~ 0.25)moderate (WER ~ 1.80)20 mmthinly discoidal; subevolute (ww/dm ~ 0.35; uw/dm ~ 0.35)weakly depressed; moderately embracing (ww/wh ~ 1.05; IZR ~ 0.25)moderate (WER ~ 1.80)40 mmextremely discoidal; subevolute (ww/dm ~ 0.30; uw/dm ~ 0.35)weakly compressed; moderately embracing (ww/wh ~ 0.75; IZR ~ 0.20)high (WER ~ 2.05)