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Table 62 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

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Zenodo2023-07-19 更新2026-04-07 收录
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Table 62. Conch ontogeny of Nicimitoceras heterolobatum (Vöhringer, 1960) from Oberrödinghausen, narrowly umbilicate morphogroup. dmconch shapewhorl cross section shapewhorl expansion2 mmthickly discoidal; evolute (ww/dm ~0.55; uw/dm ~0.45)moderately depressed; weakly embracing (ww/wh ~1.65; IZR ~0.25)low (WER ~1.60)5 mmthinly discoidal; subinvolute (ww/dm ~0.50; uw/dm ~0.20)weakly depressed; strongly embracing (ww/wh ~1.10; IZR ~0.45)low to moderate (WER ~1.75)15 mmthinly discoidal; involute (ww/dm ~0.50; uw/dm ~0.00)weakly compressed; very strongly embracing (ww/wh ~0.80; IZR ~0.50)high (WER ~2.10)30 mmthinly discoidal; involute (ww/dm ~0.40; uw/dm ~0.00)weakly compressed; very strongly embracing (ww/wh ~0.70; IZR ~0.50)high (WER ~2.05)

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2023-07-19
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