Table 96 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 96. Conch ontogeny of Hasselbachia multisulcata (Vöhringer, 1960) from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion2 mmthickly pachyconic; subevolute (ww/dm ~0.80; uw/dm ~0.40)strongly depressed; strongly embracing (ww/wh ~2.50; IZR ~0.40)low (WER ~1.60)4 mmthinly globular; subevolute (ww/dm ~0.90; uw/dm ~0.45)very strongly depressed; strongly embracing (ww/wh ~2.75; IZR ~0.40)low (WER ~1.55)12 mmthickly pachyconic; subevolute (ww/dm ~0.75; uw/dm ~0.35)moderately depressed; very strongly embracing (ww/wh ~1.90; IZR ~0.60)very low (WER ~1.45)20 mmthickly discoidal; involute (ww/dm ~0.55; uw/dm ~0.10)weakly depressed; very strongly embracing very low (ww/wh ~1.40; IZR ~0.65) (WER ~1.40)