Table 3 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 3. Conch ontogeny of Mimimitoceras perditum sp. nov.
dmconch shapewhorl cross section shapewhorl expansion2 mmthinly to thickly globular; involute to subinvolute (ww/dm = 0.85–1.00; uw/dm = 0.10–0.20)moderately to strongly depressed; very strongly embracing (ww/wh = 1.70–2.10; IZR = 0.55–0.60)low (WER = 1.50–1.75)8 mmthickly pachyconic; involute (ww/dm = 0.75– 0.85; uw/dm = 0.02–0.05)moderately depressed; very strongly embracing (ww/wh = 1.50–1.60; IZR = 0.60–0.70)low (WER = 1.50–1.55)20 mmthinly pachyconic; involute (ww/dm ~0.70; uw/dm ~0.02)weakly depressed; very strongly embracing (ww/wh ~1.30; IZR ~0.65)low (WER = 1.50–1.65)40 mmthinly pachyconic; involute (ww/dm ~0.60; uw/dm ~0.02)weakly depressed; very strongly embracing (ww/wh = 1.20–1.30; IZR = 0.60–0.65)low (WER ~1.70)60 mmthiclly discoidal; involute (ww/dm ~0.55; uw/dm ~0.02)weakly compressed; very strongly embracing (ww/wh ~0.95; IZR ~0.60)low (WER ~1.70)