Published February 20, 2014
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Table 8 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Description
Table 8. Conch ontogeny of Postclymenia calceola n. sp. from the Anti-Atlas of Morocco.
| dm | Conch shape | Whorl cross-section shape | Whorl expansion |
|---|---|---|---|
| 2 mm | thinly discoidal; subevolute | weakly depressed or weakly compressed; | moderate |
| (ww / dm = 0.30–0.35; uw / dm = 0.40–0.42) | weakly embracing | (WER = 1.90–2.00) | |
| (ww / wh = 0.90–1.10; IZR = 0.10–0.15) | |||
| 6 mm | thinly discoidal; subevolute | weakly compressed; weakly embracing | moderate |
| (ww / dm = 0.30–0.35; uw / dm = 0.40–0.45) | (ww / wh = 0.90–1.00; IZR = 0.15–0.20) | (WER = 1.90–2.00) | |
| 15 mm | thinly discoidal; subevolute | weakly depressed or weakly compressed; | moderate |
| (ww / dm = 0.30–0.35; uw / dm = 0.38–0.42) | weakly embracing | (WER = 1.90–2.00) | |
| (ww / wh = 0.80–0.90; IZR = 0.20–0.25) | |||
| 40 mm | thinly discoidal; subevolute | weakly depressed or weakly compressed; | high |
| (ww / dm = 0.25–0.30; uw / dm = 0.30–0.35) | weakly embracing | (WER = 2.00–2.10) | |
| (ww / wh = 0.70–0.75; IZR = 0.25) |
Notes
Published as part of Klein, C. & Korn, D., 2014, A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian), pp. 25 in Fossil Record 17 (1) on page 25, DOI: 10.5194/fr-17-1-2014, http://zenodo.org/record/10965299
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- Is part of
- Journal article: 10.5194/fr-17-1-2014 (DOI)
- Journal article: urn:lsid:plazi.org:pub:B12BFF83CB30FFD5FFE43626FFA7FFB9 (LSID)
- Journal article: http://publication.plazi.org/id/B12BFF83CB30FFD5FFE43626FFA7FFB9 (URL)
- Journal article: http://zenodo.org/record/10965299 (URL)