Table 58 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 58. Conch ontogeny of Nicimitoceras acre (Vöhringer, 1960) from Oberrödinghausen. dmconch shapewhorl cross section shapewhorl expansion30 mmextremely discoidal; involuteweakly compressed; strongly embracinghigh(ww/dm ~0.35; uw/dm ~0.00)(ww/wh ~0.60; IZR ~0.42)(WER ~2.20)50 mmextremely discoidal; involutestrongly compressed; strongly embracingVery high(ww/dm ~0.30; uw/dm ~0.00)(ww/wh ~0.48; IZR ~0.42)(WER ~2.30)表58 产自奥伯勒丁豪森（Oberrödinghausen）的Nicimitoceras acre（Vöhringer, 1960）壳体个体发育。 30 mm：极扁盘形；内卷；弱压缩；强烈包卷；高（ww/dm≈0.35；uw/dm≈0.00）；(ww/wh≈0.60；IZR≈0.42)；(WER≈2.20) 50 mm：极扁盘形；内卷；强压缩；强烈包卷；极高（ww/dm≈0.30；uw/dm≈0.00）；(ww/wh≈0.48；IZR≈0.42)；(WER≈2.30)