Published July 20, 2023
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Table 6 in The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany)
Authors/Creators
- 1. Museum für Naturkunde, Leibniz-Institut für Evolutions-und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany.
Description
Table 6. Conch ontogeny of Stockumites subbilobatus (Münster, 1839) from Gattendorf.
| dm | conch shape | whorl cross section shape | whorl expansion |
|---|---|---|---|
| 2 mm | thickly discoidal; evolute (ww/dm ~ 0.55; uw/dm ~ 0.45) | moderately depressed; moderately embracing (ww/wh ~ 1.90; IZR ~ 0.25) | low (WER ~ 1.65) |
| 5 mm | thickly discoidal; evolute (ww/dm ~ 0.50; uw/dm ~ 0.50) | moderately depressed; strongly embracing (ww/wh ~ 1.85; IZR ~ 0.35) | low (WER ~ 1.50) |
| 15 mm | thinly pachyconic; subinvolute (ww/dm ~ 0.65; uw/dm ~ 0.15) | weakly depressed; very strongly embracing (ww/wh ~ 1.25; IZR ~ 0.55) | moderate (WER ~ 1.80) |
| 30 mm | thickly discoidal; involute (ww/dm ~ 0.50; uw/dm ~ 0.00) | weakly compressed; very strongly embracing (ww/wh ~ 0.85; IZR ~ 0.50) | moderate (WER ~ 1.90) |
Notes
Published as part of Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian-Carboniferous boundary; Upper Franconia, Germany), pp. 25 in European Journal of Taxonomy 883 on page 25, DOI: 10.5852/ejt.2023.883.2179, http://zenodo.org/record/8177861
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