Table 16 in The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

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Table 16. Conch ontogeny of Evopharciceras formosum gen. et sp. nov. dmconch shapewhorl cross section shapewhorl expansion35 mmthinly discoidal; evolute (ww/dm ~ 0.35; uw/dm ~ 0.50)weakly depressed; moderately embracing (ww/wh ~ 1.20; IZR ~ 0.25)low (WER ~ 1.55)65 mmextremely discoidal; evolute (ww/dm ~ 0.30; uw/dm ~ 0.50)weakly depressed; moderately embracing (ww/wh ~ 1.00; IZR ~ 0.20)low (WER ~ 1.70)

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2025-04-05