Table 116 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Table 116. Conch ontogeny of Eocanites brevis (Vöhringer, 1960) from Oberrödinghausen. dmconch shapewhorl cross section shapewhorl expansion3 mmthinly discoidal; evoluteweakly depressed; weakly embracingmoderate(ww/dm ~0.35; uw/dm ~0.50)(ww/wh ~1.20; IZR ~0.10)(WER ~1.90)10 mmextremely discoidal; evoluteweakly compressed; weakly embracingmoderate(ww/dm ~0.30; uw/dm ~0.50)(ww/wh ~0.95; IZR ~0.10)(WER ~1.90)20 mmextremely discoidal; evoluteweakly compressed; weakly embracingmoderate(ww/dm ~0.25; uw/dm ~0.50)(ww/wh ~0.85; IZR ~0.10)(WER ~1.90)表116 采自奥伯勒丁豪森（Oberrödinghausen）的短始盘菊石（Eocanites brevis, Vöhringer, 1960）的壳体个体发育数据。 3 mm：壳形呈薄盘状且外卷；旋横切面形态弱凹陷；包卷程度偏弱；参数取值中等：(ww/dm≈0.35; uw/dm≈0.50)、(ww/wh≈1.20; IZR≈0.10)、(WER≈1.90) 10 mm：壳形呈极盘状且外卷；旋横切面形态弱压缩；包卷程度偏弱；参数取值中等：(ww/dm≈0.30; uw/dm≈0.50)、(ww/wh≈0.95; IZR≈0.10)、(WER≈1.90) 20 mm：壳形呈极盘状且外卷；旋横切面形态弱压缩；包卷程度偏弱；参数取值中等：(ww/dm≈0.25; uw/dm≈0.50)、(ww/wh≈0.85; IZR≈0.10)、(WER≈1.90)