The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany) Author Korn, Dieter 286CA4F3-7EBC-4AEF-A66A-B2508D001367 Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany. dieter.korn@mfn.berlin Author Weyer, Dieter A09A1738-C70E-4F22-A069-8B7DB4A1753D Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany. dieter.weyer@t-online.de text European Journal of Taxonomy 2023 2023-07-19 882 1 230 http://dx.doi.org/10.5852/ejt.2023.882.2177 journal article 58033 10.5852/ejt.2023.882.2177 57d1d191-2bf5-4229-a0f5-9ab472a114a6 2118-9773 8177581 67C909E4-C700-4F8D-B8CE-5FD9B2C5D549
Table 52. Conch ontogeny of Costimitoceras ornatum Vöhringer, 1960 from Oberrödinghausen.
dmconch shapewhorl cross section shapewhorl expansion
5 mmthickly discoidal; subevoluteweakly depressed; strongly embracingmoderate
(ww/dm ~0.55; uw/dm ~0.35)(ww/wh ~1.40; IZR ~0.35)(WER ~1.75)
15 mmthickly discoidal; involuteweakly compressed; very strongly embracingmoderate
(ww/dm ~0.50; uw/dm ~0.05)(ww/wh ~0.90; IZR ~0.50)(WER ~1.95)
25 mmthinly discoidal; involuteweakly compressed; very strongly embracinghigh
(ww/dm ~0.40; uw/dm ~0.00)(ww/wh ~0.70; IZR ~0.45)(WER ~2.10)