Published July 19, 2023
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Table 99 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 99. Conch ontogeny of Hasselbachia erronea sp. nov. from Oberrödinghausen.
| dm | conch shape | whorl cross section shape | whorl expansion |
|---|---|---|---|
| 2 mm | thinly pachyconic; subevolute (ww/dm ~0.72; uw/dm ~0.35) | strongly depressed; strongly embracing (ww/wh ~2.10; IZR ~0.35) | low (WER ~1.70) |
| 4 mm | thickly pachyconic; subevolute (ww/dm ~0.75; uw/dm ~0.38) | strongly depressed; strongly embracing (ww/wh ~2.15; IZR ~0.35) | low (WER ~1.65) |
| 12 mm | thickly pachyconic; subinvolute (ww/dm ~0.75; uw/dm ~0.20) | moderately depressed; very strongly embracing (ww/wh ~1.70; IZR ~0.55) | low (WER ~1.65) |
| 16 mm | thickly pachyconic; involute (ww/dm ~0.75; uw/dm ~0.10) | moderately depressed; very strongly embracing (ww/wh ~1.60; IZR ~0.55) | low (WER ~1.60) |
Notes
Published as part of Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany), pp. 169 in European Journal of Taxonomy 882 on page 169, DOI: 10.5852/ejt.2023.882.2177, http://zenodo.org/record/8177581
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