Published July 19, 2023
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Table 3 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)
Authors/Creators
- 1. Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.
Description
Table 3. Conch ontogeny of Mimimitoceras perditum sp. nov.
| dm | conch shape | whorl cross section shape | whorl expansion |
|---|---|---|---|
| 2 mm | thinly to thickly globular; involute to subinvolute (ww/dm = 0.85–1.00; uw/dm = 0.10–0.20) | moderately to strongly depressed; very strongly embracing (ww/wh = 1.70–2.10; IZR = 0.55–0.60) | low (WER = 1.50–1.75) |
| 8 mm | thickly pachyconic; involute (ww/dm = 0.75– 0.85; uw/dm = 0.02–0.05) | moderately depressed; very strongly embracing (ww/wh = 1.50–1.60; IZR = 0.60–0.70) | low (WER = 1.50–1.55) |
| 20 mm | thinly pachyconic; involute (ww/dm ~0.70; uw/dm ~0.02) | weakly depressed; very strongly embracing (ww/wh ~1.30; IZR ~0.65) | low (WER = 1.50–1.65) |
| 40 mm | thinly pachyconic; involute (ww/dm ~0.60; uw/dm ~0.02) | weakly depressed; very strongly embracing (ww/wh = 1.20–1.30; IZR = 0.60–0.65) | low (WER ~1.70) |
| 60 mm | thiclly discoidal; involute (ww/dm ~0.55; uw/dm ~0.02) | weakly compressed; very strongly embracing (ww/wh ~0.95; IZR ~0.60) | low (WER ~1.70) |
Notes
Published as part of Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany), pp. 24 in European Journal of Taxonomy 882 on page 24, DOI: 10.5852/ejt.2023.882.2177, http://zenodo.org/record/8177581
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